251652245130 has 96 divisors (see below), whose sum is σ = 768683260800. Its totient is φ = 56313786240.

The previous prime is 251652245111. The next prime is 251652245161. The reversal of 251652245130 is 31542256152.

251652245130 is a `hidden beast` number, since 2 + 51 + 6 + 522 + 4 + 51 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9763830 + ... + 9789569.

It is an arithmetic number, because the mean of its divisors is an integer number (8007117300).

Almost surely, 2^251652245130 is an apocalyptic number.

251652245130 is an abundant number, since it is smaller than the sum of its proper divisors (517031015670).

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

251652245130 is a wasteful number, since it uses less digits than its factorization.

251652245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19553436 (or 19553433 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

It can be divided in two parts, 2516522 and 45130, that added together give a palindrome (2561652).

The spelling of 251652245130 in words is "two hundred fifty-one billion, six hundred fifty-two million, two hundred forty-five thousand, one hundred thirty".