251352054412 has 12 divisors (see below), whose sum is σ = 440138807136. Its totient is φ = 125598109520.

The previous prime is 251352054391. The next prime is 251352054431. The reversal of 251352054412 is 214450253152.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19472164 + ... + 19485067.

It is an arithmetic number, because the mean of its divisors is an integer number (36678233928).

Almost surely, 2^251352054412 is an apocalyptic number.

It is an amenable number.

251352054412 is a deficient number, since it is larger than the sum of its proper divisors (188786752724).

251352054412 is a wasteful number, since it uses less digits than its factorization.

251352054412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38958848 (or 38958846 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 251352054412 in words is "two hundred fifty-one billion, three hundred fifty-two million, fifty-four thousand, four hundred twelve".