117915920104 has 8 divisors (see below), whose sum is σ = 221092350210. Its totient is φ = 58957960048.

The previous prime is 117915920069. The next prime is 117915920123. The reversal of 117915920104 is 401029519711.

It can be written as a sum of positive squares in only one way, i.e., 77839884004 + 40076036100 = 278998^2 + 200190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×117915920104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7369744999 + ... + 7369745014.

Almost surely, 2^117915920104 is an apocalyptic number.

It is an amenable number.

117915920104 is a deficient number, since it is larger than the sum of its proper divisors (103176430106).

117915920104 is a wasteful number, since it uses less digits than its factorization.

117915920104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14739490019 (or 14739490015 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 117915920104 in words is "one hundred seventeen billion, nine hundred fifteen million, nine hundred twenty thousand, one hundred four".