115177580816 has 20 divisors (see below), whose sum is σ = 223280525724. Its totient is φ = 57556800000.

The previous prime is 115177580807. The next prime is 115177580831. The reversal of 115177580816 is 618085771511.

It can be written as a sum of positive squares in 2 ways, for example, as 17583820816 + 97593760000 = 132604^2 + 312400^2 .

It is a super-2 number, since 2×115177580816² (a number of 23 digits) contains 22 as substring.

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, 1969685 + ... + 2027316.

Almost surely, 2^115177580816 is an apocalyptic number.

115177580816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115177580816 is a deficient number, since it is larger than the sum of its proper divisors (108102944908).

115177580816 is a wasteful number, since it uses less digits than its factorization.

115177580816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998810 (or 3998804 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 50.

The spelling of 115177580816 in words is "one hundred fifteen billion, one hundred seventy-seven million, five hundred eighty thousand, eight hundred sixteen".