251345324132 has 12 divisors (see below), whose sum is σ = 502690648320. Its totient is φ = 107719424616.

The previous prime is 251345324123. The next prime is 251345324159. The reversal of 251345324132 is 231423543152.

251345324132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 251345324092 and 251345324101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488309332 + ... + 4488309387.

It is an arithmetic number, because the mean of its divisors is an integer number (41890887360).

Almost surely, 2^251345324132 is an apocalyptic number.

It is an amenable number.

251345324132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

251345324132 is a wasteful number, since it uses less digits than its factorization.

251345324132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976618730 (or 8976618728 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 251345324132 its reverse (231423543152), we get a palindrome (482768867284).

The spelling of 251345324132 in words is "two hundred fifty-one billion, three hundred forty-five million, three hundred twenty-four thousand, one hundred thirty-two".