72115763904591 has 8 divisors (see below), whose sum is σ = 104895656588544. Its totient is φ = 43706523578520.

The previous prime is 72115763904589. The next prime is 72115763904629. The reversal of 72115763904591 is 19540936751127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72115763904591 - 2¹ = 72115763904589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72115763904521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092663089431 + ... + 1092663089496.

It is an arithmetic number, because the mean of its divisors is an integer number (13111957073568).

Almost surely, 2^{72115763904591} is an apocalyptic number.

72115763904591 is a deficient number, since it is larger than the sum of its proper divisors (32779892683953).

72115763904591 is a wasteful number, since it uses less digits than its factorization.

72115763904591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185326178941.

The product of its (nonzero) digits is 14288400, while the sum is 60.

The spelling of 72115763904591 in words is "seventy-two trillion, one hundred fifteen billion, seven hundred sixty-three million, nine hundred four thousand, five hundred ninety-one".