115231151 has 8 divisors (see below), whose sum is σ = 139439520. Its totient is φ = 92959488.

The previous prime is 115231093. The next prime is 115231153. The reversal of 115231151 is 151132511.

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 a de Polignac number, because none of the positive numbers 2^k-115231151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115231153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484046 + ... + 484283.

It is an arithmetic number, because the mean of its divisors is an integer number (17429940).

Almost surely, 2^115231151 is an apocalyptic number.

115231151 is a deficient number, since it is larger than the sum of its proper divisors (24208369).

115231151 is an equidigital number, since it uses as much as digits as its factorization.

115231151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968353.

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

The square root of 115231151 is about 10734.5773554435. The cubic root of 115231151 is about 486.6200137198.

Adding to 115231151 its reverse (151132511), we get a palindrome (266363662).

The spelling of 115231151 in words is "one hundred fifteen million, two hundred thirty-one thousand, one hundred fifty-one".