72120555050024 has 64 divisors (see below), whose sum is σ = 145872078172800. Its totient is φ = 33230637275904.

The previous prime is 72120555050021. The next prime is 72120555050051. The reversal of 72120555050024 is 42005055502127.

It is a self number, because there is not a number n which added to its sum of digits gives 72120555050024.

It is not an unprimeable number, because it can be changed into a prime (72120555050021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925918069 + ... + 1925955515.

It is an arithmetic number, because the mean of its divisors is an integer number (2279251221450).

Almost surely, 2^{72120555050024} is an apocalyptic number.

It is an amenable number.

72120555050024 is an abundant number, since it is smaller than the sum of its proper divisors (73751523122776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72120555050024 is a wasteful number, since it uses less digits than its factorization.

72120555050024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68002 (or 67998 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 72120555050024 in words is "seventy-two trillion, one hundred twenty billion, five hundred fifty-five million, fifty thousand, twenty-four".