117639555012 has 48 divisors (see below), whose sum is σ = 348561646720. Its totient is φ = 33611301216.

The previous prime is 117639554993. The next prime is 117639555023. The reversal of 117639555012 is 210555936711.

117639555012 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 3 + 95 + 550 + 1 + 2 = 666.

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, 77803183 + ... + 77804694.

Almost surely, 2^117639555012 is an apocalyptic number.

117639555012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117639555012 is an abundant number, since it is smaller than the sum of its proper divisors (230922091708).

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

117639555012 is a wasteful number, since it uses less digits than its factorization.

117639555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155607897 (or 155607889 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The spelling of 117639555012 in words is "one hundred seventeen billion, six hundred thirty-nine million, five hundred fifty-five thousand, twelve".