251310011132 has 48 divisors (see below), whose sum is σ = 446300094240. Its totient is φ = 123809280000.

The previous prime is 251310011039. The next prime is 251310011149. The reversal of 251310011132 is 231110013152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89720132 + ... + 89722932.

It is an arithmetic number, because the mean of its divisors is an integer number (9297918630).

Almost surely, 2^251310011132 is an apocalyptic number.

It is an amenable number.

251310011132 is a deficient number, since it is larger than the sum of its proper divisors (194990083108).

251310011132 is a wasteful number, since it uses less digits than its factorization.

251310011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 251310011132 its reverse (231110013152), we get a palindrome (482420024284).

The spelling of 251310011132 in words is "two hundred fifty-one billion, three hundred ten million, eleven thousand, one hundred thirty-two".