113650598891 has 4 divisors (see below), whose sum is σ = 113673907152. Its totient is φ = 113627290632.

The previous prime is 113650598857. The next prime is 113650598909. The reversal of 113650598891 is 198895056311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198895056311 = 7 ⋅28413579473.

It is a cyclic number.

It is not a de Polignac number, because 113650598891 - 2¹⁰ = 113650597867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113650598791) 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, 11646815 + ... + 11656568.

It is an arithmetic number, because the mean of its divisors is an integer number (28418476788).

Almost surely, 2^113650598891 is an apocalyptic number.

113650598891 is a deficient number, since it is larger than the sum of its proper divisors (23308261).

113650598891 is an equidigital number, since it uses as much as digits as its factorization.

113650598891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308260.

The product of its (nonzero) digits is 2332800, while the sum is 56.

The spelling of 113650598891 in words is "one hundred thirteen billion, six hundred fifty million, five hundred ninety-eight thousand, eight hundred ninety-one".