25256207767212 has 36 divisors (see below), whose sum is σ = 63842252241040. Its totient is φ = 8418713307552.

The previous prime is 25256207767207. The next prime is 25256207767243. The reversal of 25256207767212 is 21276770265252.

25256207767212 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 620 + 7 + 7 + 6 + 7 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 17695089 + ... + 19069047.

Almost surely, 2^{25256207767212} is an apocalyptic number.

It is an amenable number.

25256207767212 is an abundant number, since it is smaller than the sum of its proper divisors (38586044473828).

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

25256207767212 is a wasteful number, since it uses less digits than its factorization.

25256207767212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884582 (or 1884577 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 25256207767212 in words is "twenty-five trillion, two hundred fifty-six billion, two hundred seven million, seven hundred sixty-seven thousand, two hundred twelve".