51725897609112 has 96 divisors (see below), whose sum is σ = 142468174414800. Its totient is φ = 16949398597632.

The previous prime is 51725897608939. The next prime is 51725897609231. The reversal of 51725897609112 is 21190679852715.

51725897609112 is a `hidden beast` number, since 5 + 1 + 7 + 2 + 5 + 8 + 9 + 7 + 609 + 1 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51725897609112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318081168 + ... + 318243744.

Almost surely, 2^{51725897609112} is an apocalyptic number.

It is an amenable number.

51725897609112 is an abundant number, since it is smaller than the sum of its proper divisors (90742276805688).

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

51725897609112 is a wasteful number, since it uses less digits than its factorization.

51725897609112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237545 (or 237538 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 63.

The spelling of 51725897609112 in words is "fifty-one trillion, seven hundred twenty-five billion, eight hundred ninety-seven million, six hundred nine thousand, one hundred twelve".