251125145252 has 12 divisors (see below), whose sum is σ = 462598951920. Its totient is φ = 118954016136.

The previous prime is 251125145237. The next prime is 251125145281. The reversal of 251125145252 is 252541521152.

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, 1652139038 + ... + 1652139189.

It is an arithmetic number, because the mean of its divisors is an integer number (38549912660).

Almost surely, 2^251125145252 is an apocalyptic number.

It is an amenable number.

251125145252 is a deficient number, since it is larger than the sum of its proper divisors (211473806668).

251125145252 is a wasteful number, since it uses less digits than its factorization.

251125145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304278250 (or 3304278248 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The spelling of 251125145252 in words is "two hundred fifty-one billion, one hundred twenty-five million, one hundred forty-five thousand, two hundred fifty-two".