quadrillion
noun
°A thousand trillion: 1 followed by fifteen zeros, 1015.
°British & Australian, long scale. A million trillion: 1 followed by twenty-four zeros, 1024.
synonyms: billiard, septillion, bajillion, bazillion more» , billion, dillion, fantillion, gadzillion, gagillion, gajillion, gazillion, godzillion, googillion, grillion, hojillion, hundred and one, infillion, jillion, kabillion, kajillion, katrillion, killion, kazillion, million, million and one, quintillion, robillion, skillion, squidillion, squillion, thousand and one, trillion, umptillion, zillion