251351352150 has 24 divisors (see below), whose sum is σ = 623351353704. Its totient is φ = 67027027200.

The previous prime is 251351352017. The next prime is 251351352191. The reversal of 251351352150 is 51253153152.

It is a happy number.

251351352150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837837691 + ... + 837837990.

It is an arithmetic number, because the mean of its divisors is an integer number (25972973071).

Almost surely, 2^251351352150 is an apocalyptic number.

251351352150 is an abundant number, since it is smaller than the sum of its proper divisors (372000001554).

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

251351352150 is a wasteful number, since it uses less digits than its factorization.

251351352150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675675696 (or 1675675691 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 251351352150 in words is "two hundred fifty-one billion, three hundred fifty-one million, three hundred fifty-two thousand, one hundred fifty".