251115042452 has 12 divisors (see below), whose sum is σ = 458557903776. Its totient is φ = 120098498520.

The previous prime is 251115042407. The next prime is 251115042467. The reversal of 251115042452 is 254240511152.

It is a congruent number.

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, 1364755574 + ... + 1364755757.

It is an arithmetic number, because the mean of its divisors is an integer number (38213158648).

Almost surely, 2^251115042452 is an apocalyptic number.

It is an amenable number.

251115042452 is a deficient number, since it is larger than the sum of its proper divisors (207442861324).

251115042452 is a wasteful number, since it uses less digits than its factorization.

251115042452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729511358 (or 2729511356 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 251115042452 in words is "two hundred fifty-one billion, one hundred fifteen million, forty-two thousand, four hundred fifty-two".