115564043320 has 32 divisors (see below), whose sum is σ = 283657198320. Its totient is φ = 42023288320.

The previous prime is 115564043299. The next prime is 115564043347. The reversal of 115564043320 is 23340465511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131322337 + ... + 131323216.

Almost surely, 2^115564043320 is an apocalyptic number.

115564043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115564043320 is an abundant number, since it is smaller than the sum of its proper divisors (168093155000).

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

115564043320 is a wasteful number, since it uses less digits than its factorization.

115564043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262645575 (or 262645571 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 115564043320 in words is "one hundred fifteen billion, five hundred sixty-four million, forty-three thousand, three hundred twenty".