115511712772 has 12 divisors (see below), whose sum is σ = 204992617536. Its totient is φ = 56942393480.

The previous prime is 115511712733. The next prime is 115511712793. The reversal of 115511712772 is 277217115511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203365408 + ... + 203365975.

It is an arithmetic number, because the mean of its divisors is an integer number (17082718128).

Almost surely, 2^115511712772 is an apocalyptic number.

It is an amenable number.

115511712772 is a deficient number, since it is larger than the sum of its proper divisors (89480904764).

115511712772 is a wasteful number, since it uses less digits than its factorization.

115511712772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406731458 (or 406731456 counting only the distinct ones).

The product of its digits is 34300, while the sum is 40.

The spelling of 115511712772 in words is "one hundred fifteen billion, five hundred eleven million, seven hundred twelve thousand, seven hundred seventy-two".