n. A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 1027.
n. A quadrillion quintillion: 1 followed by 48 zeros, 1048.
the GNU version of the Collaborative International Dictionary of English
n. According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See numeration.
The Century Dictionary and Cyclopedia
n. In Great Britain, the number produced by involving a million to the eighth power.
n. In French and United States usage, one thousand raised to the ninth power.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the number that is represented as a one followed by 27 zeros
Word Usage
"Moreover, Mr. Stuart suggests that the Maya computed dates nearly 72 octillion years into the future—that's 72 followed by 27 zeros—by which time, modern scientists tell us, the universe will have ended for real."