115492881 has 16 divisors (see below), whose sum is σ = 176698368. Its totient is φ = 65730000.

The previous prime is 115492879. The next prime is 115492901. The reversal of 115492881 is 188294511.

It is not a de Polignac number, because 115492881 - 2¹ = 115492879 is a prime.

It is a super-2 number, since 2×115492881² = 26677211123360322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115492801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5685 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (11043648).

Almost surely, 2^115492881 is an apocalyptic number.

It is an amenable number.

115492881 is a deficient number, since it is larger than the sum of its proper divisors (61205487).

115492881 is a wasteful number, since it uses less digits than its factorization.

115492881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22172.

The product of its digits is 23040, while the sum is 39.

The square root of 115492881 is about 10746.7614191439. The cubic root of 115492881 is about 486.9881628646.

The spelling of 115492881 in words is "one hundred fifteen million, four hundred ninety-two thousand, eight hundred eighty-one".