115115331 has 16 divisors (see below), whose sum is σ = 158054400. Its totient is φ = 74479680.

The previous prime is 115115321. The next prime is 115115339. The reversal of 115115331 is 133511511.

It is not a de Polignac number, because 115115331 - 2¹⁴ = 115098947 is a prime.

It is a super-2 number, since 2×115115331² = 26503078862479122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115115298 and 115115307.

It is not an unprimeable number, because it can be changed into a prime (115115339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22126 + ... + 26828.

It is an arithmetic number, because the mean of its divisors is an integer number (9878400).

Almost surely, 2^115115331 is an apocalyptic number.

115115331 is a deficient number, since it is larger than the sum of its proper divisors (42939069).

115115331 is a wasteful number, since it uses less digits than its factorization.

115115331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946.

The product of its digits is 225, while the sum is 21.

The square root of 115115331 is about 10729.1812828379. The cubic root of 115115331 is about 486.4569234939.

Adding to 115115331 its reverse (133511511), we get a palindrome (248626842).

The spelling of 115115331 in words is "one hundred fifteen million, one hundred fifteen thousand, three hundred thirty-one".