251341425313120 has 48 divisors (see below), whose sum is σ = 601310498564160. Its totient is φ = 99263955308544.

The previous prime is 251341425313087. The next prime is 251341425313229. The reversal of 251341425313120 is 21313524143152.

It is a self number, because there is not a number n which added to its sum of digits gives 251341425313120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942290577 + ... + 9942315856.

It is an arithmetic number, because the mean of its divisors is an integer number (12527302053420).

Almost surely, 2^{251341425313120} is an apocalyptic number.

251341425313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251341425313120 is an abundant number, since it is smaller than the sum of its proper divisors (349969073251040).

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

251341425313120 is a wasteful number, since it uses less digits than its factorization.

251341425313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884606527 (or 19884606519 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 251341425313120 its reverse (21313524143152), we get a palindrome (272654949456272).

The spelling of 251341425313120 in words is "two hundred fifty-one trillion, three hundred forty-one billion, four hundred twenty-five million, three hundred thirteen thousand, one hundred twenty".