72555252577203 has 16 divisors (see below), whose sum is σ = 105548462438400. Its totient is φ = 43967234683680.

The previous prime is 72555252577193. The next prime is 72555252577211. The reversal of 72555252577203 is 30277525255527.

It is not a de Polignac number, because 72555252577203 - 2⁴ = 72555252577187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72555252577103) 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, 140880723 + ... + 141394796.

It is an arithmetic number, because the mean of its divisors is an integer number (6596778902400).

Almost surely, 2^{72555252577203} is an apocalyptic number.

72555252577203 is a deficient number, since it is larger than the sum of its proper divisors (32993209861197).

72555252577203 is a wasteful number, since it uses less digits than its factorization.

72555252577203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282283322.

The product of its (nonzero) digits is 51450000, while the sum is 57.

The spelling of 72555252577203 in words is "seventy-two trillion, five hundred fifty-five billion, two hundred fifty-two million, five hundred seventy-seven thousand, two hundred three".