117621217910280 has 64 divisors (see below), whose sum is σ = 403272747123840. Its totient is φ = 26884849807872.

The previous prime is 117621217910269. The next prime is 117621217910291. The reversal of 117621217910280 is 82019712126711.

It is an interprime number because it is at equal distance from previous prime (117621217910269) and next prime (117621217910291).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70012628869 + ... + 70012630548.

It is an arithmetic number, because the mean of its divisors is an integer number (6301136673810).

Almost surely, 2^{117621217910280} is an apocalyptic number.

117621217910280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117621217910280 is an abundant number, since it is smaller than the sum of its proper divisors (285651529213560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117621217910280 is a wasteful number, since it uses less digits than its factorization.

117621217910280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140025259438 (or 140025259434 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 48.

The spelling of 117621217910280 in words is "one hundred seventeen trillion, six hundred twenty-one billion, two hundred seventeen million, nine hundred ten thousand, two hundred eighty".