251252287899882 has 16 divisors (see below), whose sum is σ = 502506158387520. Its totient is φ = 83750498868672.

The previous prime is 251252287899881. The next prime is 251252287899887. The reversal of 251252287899882 is 288998782252152.

251252287899882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×251252287899882² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 251252287899798 and 251252287899807.

It is not an unprimeable number, because it can be changed into a prime (251252287899881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63872278 + ... + 67691745.

It is an arithmetic number, because the mean of its divisors is an integer number (31406634899220).

Almost surely, 2^{251252287899882} is an apocalyptic number.

251252287899882 is an abundant number, since it is smaller than the sum of its proper divisors (251253870487638).

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

251252287899882 is a wasteful number, since it uses less digits than its factorization.

251252287899882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131882317.

The product of its digits is 1857945600, while the sum is 78.

The spelling of 251252287899882 in words is "two hundred fifty-one trillion, two hundred fifty-two billion, two hundred eighty-seven million, eight hundred ninety-nine thousand, eight hundred eighty-two".