115136643616 has 24 divisors (see below), whose sum is σ = 226839492684. Its totient is φ = 57526613760.

The previous prime is 115136643607. The next prime is 115136643641. The reversal of 115136643616 is 616346631511.

It can be written as a sum of positive squares in 2 ways, for example, as 112775072400 + 2361571216 = 335820^2 + 48596^2 .

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, 1258495 + ... + 1346878.

Almost surely, 2^115136643616 is an apocalyptic number.

115136643616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115136643616 is a deficient number, since it is larger than the sum of its proper divisors (111702849068).

115136643616 is a wasteful number, since it uses less digits than its factorization.

115136643616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606764 (or 2606756 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 115136643616 in words is "one hundred fifteen billion, one hundred thirty-six million, six hundred forty-three thousand, six hundred sixteen".