115503305512 has 32 divisors (see below), whose sum is σ = 253263067200. Its totient is φ = 48350219904.

The previous prime is 115503305507. The next prime is 115503305521. The reversal of 115503305512 is 215503305511.

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, 23980837 + ... + 23985652.

It is an arithmetic number, because the mean of its divisors is an integer number (7914470850).

Almost surely, 2^115503305512 is an apocalyptic number.

It is an amenable number.

115503305512 is an abundant number, since it is smaller than the sum of its proper divisors (137759761688).

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

115503305512 is a wasteful number, since it uses less digits than its factorization.

115503305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47966545 (or 47966541 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

Subtracting 115503305512 from its reverse (215503305511), we obtain a palindrome (99999999999).

The spelling of 115503305512 in words is "one hundred fifteen billion, five hundred three million, three hundred five thousand, five hundred twelve".