725556628015 has 32 divisors (see below), whose sum is σ = 899722809216. Its totient is φ = 561278730240.

The previous prime is 725556627973. The next prime is 725556628039. The reversal of 725556628015 is 510826655527.

It is not a de Polignac number, because 725556628015 - 2⁹ = 725556627503 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 22410079 + ... + 22442431.

It is an arithmetic number, because the mean of its divisors is an integer number (28116337788).

Almost surely, 2^725556628015 is an apocalyptic number.

725556628015 is a deficient number, since it is larger than the sum of its proper divisors (174166181201).

725556628015 is a wasteful number, since it uses less digits than its factorization.

725556628015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33139.

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 725556628015 in words is "seven hundred twenty-five billion, five hundred fifty-six million, six hundred twenty-eight thousand, fifteen".