113712128833 has 4 divisors (see below), whose sum is σ = 113767250688. Its totient is φ = 113657006980.

The previous prime is 113712128819. The next prime is 113712128863. The reversal of 113712128833 is 338821217311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 338821217311 = 683 ⋅496077917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113712128833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113712128813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27557833 + ... + 27561958.

It is an arithmetic number, because the mean of its divisors is an integer number (28441812672).

Almost surely, 2^113712128833 is an apocalyptic number.

It is an amenable number.

113712128833 is a deficient number, since it is larger than the sum of its proper divisors (55121855).

113712128833 is an equidigital number, since it uses as much as digits as its factorization.

113712128833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55121854.

The product of its digits is 48384, while the sum is 40.

The spelling of 113712128833 in words is "one hundred thirteen billion, seven hundred twelve million, one hundred twenty-eight thousand, eight hundred thirty-three".