115865318 has 16 divisors (see below), whose sum is σ = 176111520. Its totient is φ = 57165696.

The previous prime is 115865279. The next prime is 115865327. The reversal of 115865318 is 813568511.

It is a happy number.

It is a super-2 number, since 2×115865318² = 26849543830482248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 68588 + ... + 70256.

It is an arithmetic number, because the mean of its divisors is an integer number (11006970).

Almost surely, 2^115865318 is an apocalyptic number.

115865318 is a deficient number, since it is larger than the sum of its proper divisors (60246202).

115865318 is a wasteful number, since it uses less digits than its factorization.

115865318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 28800, while the sum is 38.

The square root of 115865318 is about 10764.0753434747. The cubic root of 115865318 is about 487.5110747429.

The spelling of 115865318 in words is "one hundred fifteen million, eight hundred sixty-five thousand, three hundred eighteen".