251255112132 has 24 divisors (see below), whose sum is σ = 587654486272. Its totient is φ = 83552767200.

The previous prime is 251255112091. The next prime is 251255112137. The reversal of 251255112132 is 231211552152.

It is a self number, because there is not a number n which added to its sum of digits gives 251255112132.

It is not an unprimeable number, because it can be changed into a prime (251255112137) 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, 24861844 + ... + 24871947.

Almost surely, 2^251255112132 is an apocalyptic number.

It is an amenable number.

251255112132 is an abundant number, since it is smaller than the sum of its proper divisors (336399374140).

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

251255112132 is a wasteful number, since it uses less digits than its factorization.

251255112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49734219 (or 49734217 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

Adding to 251255112132 its reverse (231211552152), we get a palindrome (482466664284).

The spelling of 251255112132 in words is "two hundred fifty-one billion, two hundred fifty-five million, one hundred twelve thousand, one hundred thirty-two".