115186081 has 4 divisors (see below), whose sum is σ = 115247664. Its totient is φ = 115124500.

The previous prime is 115186063. The next prime is 115186087. The reversal of 115186081 is 180681511.

It is a happy number.

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 115186081 - 2¹¹ = 115184033 is a prime.

It is a super-2 number, since 2×115186081² = 26535666512277122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115186087) 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, 27895 + ... + 31756.

It is an arithmetic number, because the mean of its divisors is an integer number (28811916).

Almost surely, 2^115186081 is an apocalyptic number.

It is an amenable number.

115186081 is a deficient number, since it is larger than the sum of its proper divisors (61583).

115186081 is an equidigital number, since it uses as much as digits as its factorization.

115186081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61582.

The product of its (nonzero) digits is 1920, while the sum is 31.

The square root of 115186081 is about 10732.4778592830. The cubic root of 115186081 is about 486.5565620580.

The spelling of 115186081 in words is "one hundred fifteen million, one hundred eighty-six thousand, eighty-one".