5172994392915 has 32 divisors (see below), whose sum is σ = 8743416768000. Its totient is φ = 2604421935360.

The previous prime is 5172994392871. The next prime is 5172994392919. The reversal of 5172994392915 is 5192934992715.

It is not a de Polignac number, because 5172994392915 - 2⁹ = 5172994392403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5172994392919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32216815 + ... + 32376984.

It is an arithmetic number, because the mean of its divisors is an integer number (273231774000).

Almost surely, 2^{5172994392915} is an apocalyptic number.

5172994392915 is a deficient number, since it is larger than the sum of its proper divisors (3570422375085).

5172994392915 is a wasteful number, since it uses less digits than its factorization.

5172994392915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64594107.

The product of its digits is 55112400, while the sum is 66.

The spelling of 5172994392915 in words is "five trillion, one hundred seventy-two billion, nine hundred ninety-four million, three hundred ninety-two thousand, nine hundred fifteen".