113561443956 has 48 divisors (see below), whose sum is σ = 271984104000. Its totient is φ = 36856462080.

The previous prime is 113561443939. The next prime is 113561443979. The reversal of 113561443956 is 659344165311.

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, 14230 + ... + 476786.

It is an arithmetic number, because the mean of its divisors is an integer number (5666335500).

Almost surely, 2^113561443956 is an apocalyptic number.

It is an amenable number.

113561443956 is an abundant number, since it is smaller than the sum of its proper divisors (158422660044).

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

113561443956 is a wasteful number, since it uses less digits than its factorization.

113561443956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463104 (or 463102 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The spelling of 113561443956 in words is "one hundred thirteen billion, five hundred sixty-one million, four hundred forty-three thousand, nine hundred fifty-six".