251500243442152 has 96 divisors (see below), whose sum is σ = 501497712979200. Its totient is φ = 118220624575488.

The previous prime is 251500243442089. The next prime is 251500243442219. The reversal of 251500243442152 is 251244342005152.

It is a super-2 number, since 2×251500243442152² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885818488 + ... + 886102360.

It is an arithmetic number, because the mean of its divisors is an integer number (5223934510200).

Almost surely, 2^{251500243442152} is an apocalyptic number.

It is an amenable number.

251500243442152 is a deficient number, since it is larger than the sum of its proper divisors (249997469537048).

251500243442152 is a wasteful number, since it uses less digits than its factorization.

251500243442152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286263 (or 286240 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 251500243442152 in words is "two hundred fifty-one trillion, five hundred billion, two hundred forty-three million, four hundred forty-two thousand, one hundred fifty-two".