72050056050520 has 16 divisors (see below), whose sum is σ = 162112626113760. Its totient is φ = 28820022420192.

The previous prime is 72050056050509. The next prime is 72050056050521. The reversal of 72050056050520 is 2505065005027.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72050056050520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050056050521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900625700592 + ... + 900625700671.

It is an arithmetic number, because the mean of its divisors is an integer number (10132039132110).

Almost surely, 2^{72050056050520} is an apocalyptic number.

It is an amenable number.

72050056050520 is an abundant number, since it is smaller than the sum of its proper divisors (90062570063240).

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

72050056050520 is a wasteful number, since it uses less digits than its factorization.

72050056050520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801251401274 (or 1801251401270 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 72050056050520 in words is "seventy-two trillion, fifty billion, fifty-six million, fifty thousand, five hundred twenty".