632128312825 has 12 divisors (see below), whose sum is σ = 783885778000. Its totient is φ = 505672540560.

The previous prime is 632128312757. The next prime is 632128312891. The reversal of 632128312825 is 528213821236.

It is not a de Polignac number, because 632128312825 - 2¹⁵ = 632128280057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319575 + ... + 1168924.

Almost surely, 2^632128312825 is an apocalyptic number.

It is an amenable number.

632128312825 is a deficient number, since it is larger than the sum of its proper divisors (151757465175).

632128312825 is a wasteful number, since it uses less digits than its factorization.

632128312825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505496 (or 1505491 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 632128312825 in words is "six hundred thirty-two billion, one hundred twenty-eight million, three hundred twelve thousand, eight hundred twenty-five".