72856116386245 has 32 divisors (see below), whose sum is σ = 90333510624000. Its totient is φ = 56373520320000.

The previous prime is 72856116386231. The next prime is 72856116386299. The reversal of 72856116386245 is 54268361165827.

It is not a de Polignac number, because 72856116386245 - 2¹¹ = 72856116384197 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 13088215 + ... + 17804875.

It is an arithmetic number, because the mean of its divisors is an integer number (2822922207000).

Almost surely, 2^{72856116386245} is an apocalyptic number.

It is an amenable number.

72856116386245 is a deficient number, since it is larger than the sum of its proper divisors (17477394237755).

72856116386245 is a wasteful number, since it uses less digits than its factorization.

72856116386245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717357.

The product of its digits is 116121600, while the sum is 64.

The spelling of 72856116386245 in words is "seventy-two trillion, eight hundred fifty-six billion, one hundred sixteen million, three hundred eighty-six thousand, two hundred forty-five".