113811094881 has 27 divisors (see below), whose sum is σ = 180714998737. Its totient is φ = 68969673960.

The previous prime is 113811094867. The next prime is 113811094919. The reversal of 113811094881 is 188490118311.

The square root of 113811094881 is 337359.

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

It is not a de Polignac number, because 113811094881 - 2⁵ = 113811094849 is a prime.

It is a super-2 number, since 2×113811094881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113811096881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11127736 + ... + 11137958.

Almost surely, 2^113811094881 is an apocalyptic number.

113811094881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113811094881 is the 337359-th square number.

113811094881 is the 168680-th centered octagonal number.

It is an amenable number.

113811094881 is a deficient number, since it is larger than the sum of its proper divisors (66903903856).

113811094881 is an frugal number, since it uses more digits than its factorization.

113811094881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474 (or 10237 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 45.

The spelling of 113811094881 in words is "one hundred thirteen billion, eight hundred eleven million, ninety-four thousand, eight hundred eighty-one".