251242251324052 has 24 divisors (see below), whose sum is σ = 460847553255936. Its totient is φ = 119620506469728.

The previous prime is 251242251324013. The next prime is 251242251324061. The reversal of 251242251324052 is 250423152242152.

It is a super-2 number, since 2×251242251324052² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 251242251323996 and 251242251324014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6123060283 + ... + 6123101314.

It is an arithmetic number, because the mean of its divisors is an integer number (19201981385664).

Almost surely, 2^{251242251324052} is an apocalyptic number.

It is an amenable number.

251242251324052 is a deficient number, since it is larger than the sum of its proper divisors (209605301931884).

251242251324052 is a wasteful number, since it uses less digits than its factorization.

251242251324052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246161847 (or 12246161845 counting only the distinct ones).

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

The spelling of 251242251324052 in words is "two hundred fifty-one trillion, two hundred forty-two billion, two hundred fifty-one million, three hundred twenty-four thousand, fifty-two".