117921918763359 has 48 divisors (see below), whose sum is σ = 185126711697760. Its totient is φ = 74166495004800.

The previous prime is 117921918763291. The next prime is 117921918763379. The reversal of 117921918763359 is 953367819129711.

117921918763359 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 2 + 191 + 87 + 6 + 3 + 359 = 666.

It is not a de Polignac number, because 117921918763359 - 2²⁴ = 117921901986143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117921918763379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55505992 + ... + 57591309.

Almost surely, 2^{117921918763359} is an apocalyptic number.

117921918763359 is a deficient number, since it is larger than the sum of its proper divisors (67204792934401).

117921918763359 is a wasteful number, since it uses less digits than its factorization.

117921918763359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113097429 (or 113097400 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 72.

The spelling of 117921918763359 in words is "one hundred seventeen trillion, nine hundred twenty-one billion, nine hundred eighteen million, seven hundred sixty-three thousand, three hundred fifty-nine".