117388155660 has 48 divisors (see below), whose sum is σ = 329262565632. Its totient is φ = 31248676800.

The previous prime is 117388155631. The next prime is 117388155701. The reversal of 117388155660 is 66551883711.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678936 + ... + 1747455.

It is an arithmetic number, because the mean of its divisors is an integer number (6859636784).

Almost surely, 2^117388155660 is an apocalyptic number.

117388155660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117388155660 is an abundant number, since it is smaller than the sum of its proper divisors (211874409972).

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

117388155660 is a wasteful number, since it uses less digits than its factorization.

117388155660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426974 (or 3426972 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 117388155660 in words is "one hundred seventeen billion, three hundred eighty-eight million, one hundred fifty-five thousand, six hundred sixty".