115320215512 has 64 divisors (see below), whose sum is σ = 225866972160. Its totient is φ = 55135728000.

The previous prime is 115320215509. The next prime is 115320215567. The reversal of 115320215512 is 215512023511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13095703 + ... + 13104505.

It is an arithmetic number, because the mean of its divisors is an integer number (3529171440).

Almost surely, 2^115320215512 is an apocalyptic number.

It is an amenable number.

115320215512 is a deficient number, since it is larger than the sum of its proper divisors (110546756648).

115320215512 is a wasteful number, since it uses less digits than its factorization.

115320215512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464 (or 9460 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 115320215512 in words is "one hundred fifteen billion, three hundred twenty million, two hundred fifteen thousand, five hundred twelve".