115504312 has 32 divisors (see below), whose sum is σ = 270011520. Its totient is φ = 45001440.

The previous prime is 115504309. The next prime is 115504327. The reversal of 115504312 is 213405511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93138 + ... + 94369.

It is an arithmetic number, because the mean of its divisors is an integer number (8437860).

Almost surely, 2^115504312 is an apocalyptic number.

It is an amenable number.

115504312 is an abundant number, since it is smaller than the sum of its proper divisors (154507208).

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

115504312 is a wasteful number, since it uses less digits than its factorization.

115504312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187531 (or 187527 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 115504312 is about 10747.2932406258. The cubic root of 115504312 is about 487.0042290151.

Adding to 115504312 its reverse (213405511), we get a palindrome (328909823).

The spelling of 115504312 in words is "one hundred fifteen million, five hundred four thousand, three hundred twelve".