725157969126 has 16 divisors (see below), whose sum is σ = 1450448241264. Its totient is φ = 241697272544.

The previous prime is 725157969097. The next prime is 725157969139. The reversal of 725157969126 is 621969751527.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 725157969126.

It is a congruent number.

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, 5441301 + ... + 5572976.

It is an arithmetic number, because the mean of its divisors is an integer number (90653015079).

Almost surely, 2^725157969126 is an apocalyptic number.

725157969126 is an abundant number, since it is smaller than the sum of its proper divisors (725290272138).

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

725157969126 is a wasteful number, since it uses less digits than its factorization.

725157969126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025255.

The product of its digits is 14288400, while the sum is 60.

The spelling of 725157969126 in words is "seven hundred twenty-five billion, one hundred fifty-seven million, nine hundred sixty-nine thousand, one hundred twenty-six".