113656434573 has 64 divisors (see below), whose sum is σ = 172943216640. Its totient is φ = 65778681600.

The previous prime is 113656434511. The next prime is 113656434589. The reversal of 113656434573 is 375434656311.

It is not a de Polignac number, because 113656434573 - 2⁶ = 113656434509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113656434173) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76432636 + ... + 76434122.

It is an arithmetic number, because the mean of its divisors is an integer number (2702237760).

Almost surely, 2^113656434573 is an apocalyptic number.

It is an amenable number.

113656434573 is a deficient number, since it is larger than the sum of its proper divisors (59286782067).

113656434573 is a wasteful number, since it uses less digits than its factorization.

113656434573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658.

The product of its digits is 2721600, while the sum is 48.

The spelling of 113656434573 in words is "one hundred thirteen billion, six hundred fifty-six million, four hundred thirty-four thousand, five hundred seventy-three".