72646242665211 has 32 divisors (see below), whose sum is σ = 108158150748480. Its totient is φ = 48190891327488.

The previous prime is 72646242665189. The next prime is 72646242665251. The reversal of 72646242665211 is 11256624264627.

72646242665211 is a `hidden beast` number, since 7 + 2 + 6 + 4 + 624 + 2 + 6 + 6 + 5 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 72646242665211 - 2³⁰ = 72645168923387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72646242665251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915255 + ... + 12088431.

It is an arithmetic number, because the mean of its divisors is an integer number (3379942210890).

Almost surely, 2^{72646242665211} is an apocalyptic number.

72646242665211 is a deficient number, since it is larger than the sum of its proper divisors (35511908083269).

72646242665211 is a wasteful number, since it uses less digits than its factorization.

72646242665211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174380 (or 11174374 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 72646242665211 in words is "seventy-two trillion, six hundred forty-six billion, two hundred forty-two million, six hundred sixty-five thousand, two hundred eleven".