Dictionary.com
Thesaurus.com

octillionth

  • a word derived from octillion.
    octillion
    noun
    a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros.
  • a word derived from octillion.
    octillion
    noun
    a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros.

More Suggestions