72155500700717 has 8 divisors (see below), whose sum is σ = 82882025462016. Its totient is φ = 61533624961872.

The previous prime is 72155500700669. The next prime is 72155500700821. The reversal of 72155500700717 is 71700700555127.

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

It is not a de Polignac number, because 72155500700717 - 2²⁸ = 72155232265261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72155500700317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26162254133 + ... + 26162256890.

It is an arithmetic number, because the mean of its divisors is an integer number (10360253182752).

Almost surely, 2^{72155500700717} is an apocalyptic number.

It is an amenable number.

72155500700717 is a deficient number, since it is larger than the sum of its proper divisors (10726524761299).

72155500700717 is a wasteful number, since it uses less digits than its factorization.

72155500700717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324511227.

The product of its (nonzero) digits is 600250, while the sum is 47.

The spelling of 72155500700717 in words is "seventy-two trillion, one hundred fifty-five billion, five hundred million, seven hundred thousand, seven hundred seventeen".