831375020125 has 16 divisors (see below), whose sum is σ = 1117368029232. Its totient is φ = 613938475200.

The previous prime is 831375020071. The next prime is 831375020141. The reversal of 831375020125 is 521020573138.

It can be written as a sum of positive squares in 8 ways, for example, as 204280496676 + 627094523449 = 451974^2 + 791893^2 .

It is not a de Polignac number, because 831375020125 - 2³⁷ = 693936066653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255806074 + ... + 255809323.

It is an arithmetic number, because the mean of its divisors is an integer number (69835501827).

Almost surely, 2^831375020125 is an apocalyptic number.

It is an amenable number.

831375020125 is a deficient number, since it is larger than the sum of its proper divisors (285993009107).

831375020125 is a wasteful number, since it uses less digits than its factorization.

831375020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511615425 (or 511615415 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 831375020125 in words is "eight hundred thirty-one billion, three hundred seventy-five million, twenty thousand, one hundred twenty-five".