72151002237957 has 8 divisors (see below), whose sum is σ = 96363564542784. Its totient is φ = 48019554045888.

The previous prime is 72151002237953. The next prime is 72151002237973. The reversal of 72151002237957 is 75973220015127.

It is a happy number.

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

It is not a de Polignac number, because 72151002237957 - 2² = 72151002237953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72151002237953) 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, 20278526113 + ... + 20278529670.

It is an arithmetic number, because the mean of its divisors is an integer number (12045445567848).

Almost surely, 2^{72151002237957} is an apocalyptic number.

It is an amenable number.

72151002237957 is a deficient number, since it is larger than the sum of its proper divisors (24212562304827).

72151002237957 is a wasteful number, since it uses less digits than its factorization.

72151002237957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40557056379.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The spelling of 72151002237957 in words is "seventy-two trillion, one hundred fifty-one billion, two million, two hundred thirty-seven thousand, nine hundred fifty-seven".