125631796322 has 54 divisors (see below), whose sum is σ = 209594013699. Its totient is φ = 56462151680.

The previous prime is 125631796319. The next prime is 125631796343. The reversal of 125631796322 is 223697136521.

It can be written as a sum of positive squares in 5 ways, for example, as 125571718321 + 60078001 = 354361^2 + 7751^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=250631.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 195993122 + ... + 195993762.

Almost surely, 2^125631796322 is an apocalyptic number.

125631796322 is a deficient number, since it is larger than the sum of its proper divisors (83962217377).

125631796322 is an frugal number, since it uses more digits than its factorization.

125631796322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 683 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The spelling of 125631796322 in words is "one hundred twenty-five billion, six hundred thirty-one million, seven hundred ninety-six thousand, three hundred twenty-two".