113666892457 has 4 divisors (see below), whose sum is σ = 113668846020. Its totient is φ = 113664938896.

The previous prime is 113666892433. The next prime is 113666892473. The reversal of 113666892457 is 754298666311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754298666311 = 17 ⋅44370509783.

It can be written as a sum of positive squares in 2 ways, for example, as 85355128336 + 28311764121 = 292156^2 + 168261^2 .

It is a cyclic number.

It is not a de Polignac number, because 113666892457 - 2⁷ = 113666892329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113666892407) 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, 886738 + ... + 1006795.

It is an arithmetic number, because the mean of its divisors is an integer number (28417211505).

Almost surely, 2^113666892457 is an apocalyptic number.

It is an amenable number.

113666892457 is a deficient number, since it is larger than the sum of its proper divisors (1953563).

113666892457 is an equidigital number, since it uses as much as digits as its factorization.

113666892457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953562.

The product of its digits is 13063680, while the sum is 58.

The spelling of 113666892457 in words is "one hundred thirteen billion, six hundred sixty-six million, eight hundred ninety-two thousand, four hundred fifty-seven".