113866045251 has 8 divisors (see below), whose sum is σ = 173510164224. Its totient is φ = 65066311560.

The previous prime is 113866045217. The next prime is 113866045259. The reversal of 113866045251 is 152540668311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113866045251 - 2⁶ = 113866045187 is a prime.

It is a super-2 number, since 2×113866045251² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113866045259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711096295 + ... + 2711096336.

It is an arithmetic number, because the mean of its divisors is an integer number (21688770528).

Almost surely, 2^113866045251 is an apocalyptic number.

113866045251 is a deficient number, since it is larger than the sum of its proper divisors (59644118973).

113866045251 is an equidigital number, since it uses as much as digits as its factorization.

113866045251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422192641.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 113866045251 in words is "one hundred thirteen billion, eight hundred sixty-six million, forty-five thousand, two hundred fifty-one".