725015174525220 has 96 divisors (see below), whose sum is σ = 2149470714763008. Its totient is φ = 181963410849792.

The previous prime is 725015174525219. The next prime is 725015174525233. The reversal of 725015174525220 is 22525471510527.

It is a self number, because there is not a number n which added to its sum of digits gives 725015174525220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160417329 + ... + 164874951.

It is an arithmetic number, because the mean of its divisors is an integer number (22390319945448).

Almost surely, 2^{725015174525220} is an apocalyptic number.

It is an amenable number.

725015174525220 is an abundant number, since it is smaller than the sum of its proper divisors (1424455540237788).

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

725015174525220 is a wasteful number, since it uses less digits than its factorization.

725015174525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617109 (or 4617107 counting only the distinct ones).

The product of its (nonzero) digits is 1960000, while the sum is 48.

The spelling of 725015174525220 in words is "seven hundred twenty-five trillion, fifteen billion, one hundred seventy-four million, five hundred twenty-five thousand, two hundred twenty".