115251131 has 8 divisors (see below), whose sum is σ = 123374400. Its totient is φ = 107333640.

The previous prime is 115251127. The next prime is 115251139. The reversal of 115251131 is 131152511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115251131 - 2² = 115251127 is a prime.

It is a super-2 number, since 2×115251131² = 26565646393558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115251139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50285 + ... + 52526.

It is an arithmetic number, because the mean of its divisors is an integer number (15421800).

Almost surely, 2^115251131 is an apocalyptic number.

115251131 is a deficient number, since it is larger than the sum of its proper divisors (8123269).

115251131 is a wasteful number, since it uses less digits than its factorization.

115251131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102889.

The product of its digits is 150, while the sum is 20.

The square root of 115251131 is about 10735.5079525843. The cubic root of 115251131 is about 486.6481372087.

The spelling of 115251131 in words is "one hundred fifteen million, two hundred fifty-one thousand, one hundred thirty-one".