115945512 has 32 divisors (see below), whose sum is σ = 290692800. Its totient is φ = 38537984.

The previous prime is 115945493. The next prime is 115945513. The reversal of 115945512 is 215549511.

It is not an unprimeable number, because it can be changed into a prime (115945513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (9084150).

Almost surely, 2^115945512 is an apocalyptic number.

115945512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115945512 is an abundant number, since it is smaller than the sum of its proper divisors (174747288).

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

115945512 is a wasteful number, since it uses less digits than its factorization.

115945512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825 (or 13821 counting only the distinct ones).

The product of its digits is 9000, while the sum is 33.

The square root of 115945512 is about 10767.7997752559. The cubic root of 115945512 is about 487.6235226768.

The spelling of 115945512 in words is "one hundred fifteen million, nine hundred forty-five thousand, five hundred twelve".