725900115812 has 24 divisors (see below), whose sum is σ = 1272909734712. Its totient is φ = 362211782400.

The previous prime is 725900115797. The next prime is 725900115817. The reversal of 725900115812 is 218511009527.

It can be written as a sum of positive squares in 4 ways, for example, as 117665464576 + 608234651236 = 343024^2 + 779894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 725900115812.

It is not an unprimeable number, because it can be changed into a prime (725900115817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26621978 + ... + 26649230.

It is an arithmetic number, because the mean of its divisors is an integer number (53037905613).

Almost surely, 2^725900115812 is an apocalyptic number.

It is an amenable number.

725900115812 is a deficient number, since it is larger than the sum of its proper divisors (547009618900).

725900115812 is a wasteful number, since it uses less digits than its factorization.

725900115812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40559 (or 40557 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 41.

The spelling of 725900115812 in words is "seven hundred twenty-five billion, nine hundred million, one hundred fifteen thousand, eight hundred twelve".