115451131 has 8 divisors (see below), whose sum is σ = 122436144. Its totient is φ = 108487680.

The previous prime is 115451111. The next prime is 115451143. The reversal of 115451131 is 131154511.

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 115451131 - 2⁷ = 115451003 is a prime.

It is a super-2 number, since 2×115451131² = 26657927298358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115451111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (15304518).

Almost surely, 2^115451131 is an apocalyptic number.

115451131 is a deficient number, since it is larger than the sum of its proper divisors (6985013).

115451131 is a wasteful number, since it uses less digits than its factorization.

115451131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 300, while the sum is 22.

The square root of 115451131 is about 10744.8187979137. The cubic root of 115451131 is about 486.9294746694.

The spelling of 115451131 in words is "one hundred fifteen million, four hundred fifty-one thousand, one hundred thirty-one".