113327162881 has 9 divisors (see below), whose sum is σ = 113905408161. Its totient is φ = 112751843412.

The previous prime is 113327162813. The next prime is 113327162929. The reversal of 113327162881 is 188261723311.

The square root of 113327162881 is 336641.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 113327162881 - 2²⁷ = 113192945153 is a prime.

It is a super-2 number, since 2×113327162881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113327162581) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76416766 + ... + 76418248.

Almost surely, 2^113327162881 is an apocalyptic number.

113327162881 is the 336641-st square number.

113327162881 is the 168321-st centered octagonal number.

It is an amenable number.

113327162881 is a deficient number, since it is larger than the sum of its proper divisors (578245280).

113327162881 is an frugal number, since it uses more digits than its factorization.

113327162881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420 (or 1710 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The spelling of 113327162881 in words is "one hundred thirteen billion, three hundred twenty-seven million, one hundred sixty-two thousand, eight hundred eighty-one".