113267818553 has 4 divisors (see below), whose sum is σ = 113741742720. Its totient is φ = 112793894388.

The previous prime is 113267818519. The next prime is 113267818567. The reversal of 113267818553 is 355818762311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113267818553 - 2³⁴ = 96087949369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113267818513) 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, 236961725 + ... + 236962202.

It is an arithmetic number, because the mean of its divisors is an integer number (28435435680).

Almost surely, 2^113267818553 is an apocalyptic number.

It is an amenable number.

113267818553 is a deficient number, since it is larger than the sum of its proper divisors (473924167).

113267818553 is an equidigital number, since it uses as much as digits as its factorization.

113267818553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473924166.

The product of its digits is 1209600, while the sum is 50.

The spelling of 113267818553 in words is "one hundred thirteen billion, two hundred sixty-seven million, eight hundred eighteen thousand, five hundred fifty-three".