117711611617520 has 80 divisors (see below), whose sum is σ = 274881770190720. Its totient is φ = 46877812684800.

The previous prime is 117711611617489. The next prime is 117711611617603. The reversal of 117711611617520 is 25716116117711.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 1089454700 + ... + 1089562740.

It is an arithmetic number, because the mean of its divisors is an integer number (3436022127384).

Almost surely, 2^{117711611617520} is an apocalyptic number.

117711611617520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117711611617520 is an abundant number, since it is smaller than the sum of its proper divisors (157170158573200).

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

117711611617520 is a wasteful number, since it uses less digits than its factorization.

117711611617520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167754 (or 167748 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 47.

The spelling of 117711611617520 in words is "one hundred seventeen trillion, seven hundred eleven billion, six hundred eleven million, six hundred seventeen thousand, five hundred twenty".