5172572501520 has 40 divisors (see below), whose sum is σ = 16034974755456. Its totient is φ = 1379352667008.

The previous prime is 5172572501497. The next prime is 5172572501531. The reversal of 5172572501520 is 251052752715.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776192472 + ... + 10776192951.

Almost surely, 2^{5172572501520} is an apocalyptic number.

It is an amenable number.

5172572501520 is an abundant number, since it is smaller than the sum of its proper divisors (10862402253936).

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

5172572501520 is a wasteful number, since it uses less digits than its factorization.

5172572501520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21552385439 (or 21552385433 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 42.

The spelling of 5172572501520 in words is "five trillion, one hundred seventy-two billion, five hundred seventy-two million, five hundred one thousand, five hundred twenty".