115506651172 has 12 divisors (see below), whose sum is σ = 220512697776. Its totient is φ = 52503023240.

The previous prime is 115506651131. The next prime is 115506651193. The reversal of 115506651172 is 271156605511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312575538 + ... + 1312575625.

It is an arithmetic number, because the mean of its divisors is an integer number (18376058148).

Almost surely, 2^115506651172 is an apocalyptic number.

It is an amenable number.

115506651172 is a deficient number, since it is larger than the sum of its proper divisors (105006046604).

115506651172 is a wasteful number, since it uses less digits than its factorization.

115506651172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625151178 (or 2625151176 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 115506651172 in words is "one hundred fifteen billion, five hundred six million, six hundred fifty-one thousand, one hundred seventy-two".