251342255553006 has 16 divisors (see below), whose sum is σ = 520018459765200. Its totient is φ = 80891760407808.

The previous prime is 251342255552981. The next prime is 251342255553049. The reversal of 251342255553006 is 600355552243152.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 722247860611 + ... + 722247860958.

It is an arithmetic number, because the mean of its divisors is an integer number (32501153735325).

Almost surely, 2^{251342255553006} is an apocalyptic number.

251342255553006 is an abundant number, since it is smaller than the sum of its proper divisors (268676204212194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251342255553006 is a wasteful number, since it uses less digits than its factorization.

251342255553006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444495721603.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 251342255553006 in words is "two hundred fifty-one trillion, three hundred forty-two billion, two hundred fifty-five million, five hundred fifty-three thousand, six".