725557255552 has 32 divisors (see below), whose sum is σ = 1476200279520. Its totient is φ = 355059930624.

The previous prime is 725557255499. The next prime is 725557255603. The reversal of 725557255552 is 255552755527.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 725557255493 and 725557255502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60296283 + ... + 60308314.

It is an arithmetic number, because the mean of its divisors is an integer number (46131258735).

Almost surely, 2^725557255552 is an apocalyptic number.

It is an amenable number.

725557255552 is an abundant number, since it is smaller than the sum of its proper divisors (750643023968).

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

725557255552 is a wasteful number, since it uses less digits than its factorization.

725557255552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120604658 (or 120604646 counting only the distinct ones).

The product of its digits is 30625000, while the sum is 55.

The spelling of 725557255552 in words is "seven hundred twenty-five billion, five hundred fifty-seven million, two hundred fifty-five thousand, five hundred fifty-two".