117961239900 has 72 divisors (see below), whose sum is σ = 390058506880. Its totient is φ = 26962568640.

The previous prime is 117961239887. The next prime is 117961239911. The reversal of 117961239900 is 9932169711.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117961239900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28083910 + ... + 28088109.

Almost surely, 2^117961239900 is an apocalyptic number.

117961239900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117961239900 is an abundant number, since it is smaller than the sum of its proper divisors (272097266980).

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

117961239900 is a wasteful number, since it uses less digits than its factorization.

117961239900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172043 (or 56172036 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 48.

The spelling of 117961239900 in words is "one hundred seventeen billion, nine hundred sixty-one million, two hundred thirty-nine thousand, nine hundred".