251250025152 has 112 divisors (see below), whose sum is σ = 775896929280. Its totient is φ = 70258348032.

The previous prime is 251250025123. The next prime is 251250025157. The reversal of 251250025152 is 251520052152.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (251250025157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925577 + ... + 2051912.

Almost surely, 2^251250025152 is an apocalyptic number.

It is an amenable number.

251250025152 is an abundant number, since it is smaller than the sum of its proper divisors (524646904128).

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

251250025152 is a wasteful number, since it uses less digits than its factorization.

251250025152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977558 (or 3977548 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 251250025152 in words is "two hundred fifty-one billion, two hundred fifty million, twenty-five thousand, one hundred fifty-two".