115331165 has 8 divisors (see below), whose sum is σ = 138666168. Its totient is φ = 92085760.

The previous prime is 115331143. The next prime is 115331171. The reversal of 115331165 is 561133511.

It can be written as a sum of positive squares in 4 ways, for example, as 284089 + 115047076 = 533^2 + 10726^2 .

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

It is not a de Polignac number, because 115331165 - 2¹⁶ = 115265629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 19532 + ... + 24741.

It is an arithmetic number, because the mean of its divisors is an integer number (17333271).

Almost surely, 2^115331165 is an apocalyptic number.

It is an amenable number.

115331165 is a deficient number, since it is larger than the sum of its proper divisors (23335003).

115331165 is an equidigital number, since it uses as much as digits as its factorization.

115331165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44799.

The product of its digits is 1350, while the sum is 26.

The square root of 115331165 is about 10739.2348423898. The cubic root of 115331165 is about 486.7607590531.

Adding to 115331165 its reverse (561133511), we get a palindrome (676464676).

The spelling of 115331165 in words is "one hundred fifteen million, three hundred thirty-one thousand, one hundred sixty-five".