117458562989920 has 48 divisors (see below), whose sum is σ = 289560892249440. Its totient is φ = 44940667577344.

The previous prime is 117458562989899. The next prime is 117458562989921. The reversal of 117458562989920 is 29989265854711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117458562989921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15959040205 + ... + 15959047564.

It is an arithmetic number, because the mean of its divisors is an integer number (6032518588530).

Almost surely, 2^{117458562989920} is an apocalyptic number.

117458562989920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117458562989920 is an abundant number, since it is smaller than the sum of its proper divisors (172102329259520).

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

117458562989920 is a wasteful number, since it uses less digits than its factorization.

117458562989920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31918087807 (or 31918087799 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 76.

The spelling of 117458562989920 in words is "one hundred seventeen trillion, four hundred fifty-eight billion, five hundred sixty-two million, nine hundred eighty-nine thousand, nine hundred twenty".