72244161157375 has 16 divisors (see below), whose sum is σ = 91301987986560. Its totient is φ = 57063742476000.

The previous prime is 72244161157349. The next prime is 72244161157381. The reversal of 72244161157375 is 57375116144227.

It is not a de Polignac number, because 72244161157375 - 2⁷ = 72244161157247 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 15 ways as a sum of consecutive naturals, for example, 3657922336 + ... + 3657942085.

It is an arithmetic number, because the mean of its divisors is an integer number (5706374249160).

Almost surely, 2^{72244161157375} is an apocalyptic number.

72244161157375 is a deficient number, since it is larger than the sum of its proper divisors (19057826829185).

72244161157375 is an equidigital number, since it uses as much as digits as its factorization.

72244161157375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315864515 (or 7315864505 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 72244161157375 in words is "seventy-two trillion, two hundred forty-four billion, one hundred sixty-one million, one hundred fifty-seven thousand, three hundred seventy-five".