115165572 has 12 divisors (see below), whose sum is σ = 268719696. Its totient is φ = 38388520.

The previous prime is 115165549. The next prime is 115165573. The reversal of 115165572 is 275561511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (115165573) 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 3 ways as a sum of consecutive naturals, for example, 4798554 + ... + 4798577.

It is an arithmetic number, because the mean of its divisors is an integer number (22393308).

Almost surely, 2^115165572 is an apocalyptic number.

115165572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115165572 is an abundant number, since it is smaller than the sum of its proper divisors (153554124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115165572 is a wasteful number, since it uses less digits than its factorization.

115165572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597138 (or 9597136 counting only the distinct ones).

The product of its digits is 10500, while the sum is 33.

The square root of 115165572 is about 10731.5223523972. The cubic root of 115165572 is about 486.5276830455.

The spelling of 115165572 in words is "one hundred fifteen million, one hundred sixty-five thousand, five hundred seventy-two".