251064999996 has 24 divisors (see below), whose sum is σ = 585905943504. Its totient is φ = 83675817600.

The previous prime is 251064999989. The next prime is 251065000013. The reversal of 251064999996 is 699999460152.

251064999996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 251064999996.

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 7 ways as a sum of consecutive naturals, for example, 1480705 + ... + 1641528.

It is an arithmetic number, because the mean of its divisors is an integer number (24412747646).

Almost surely, 2^251064999996 is an apocalyptic number.

It is an amenable number.

251064999996 is an abundant number, since it is smaller than the sum of its proper divisors (334840943508).

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

251064999996 is a wasteful number, since it uses less digits than its factorization.

251064999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128941 (or 3128939 counting only the distinct ones).

The product of its (nonzero) digits is 85030560, while the sum is 69.

The spelling of 251064999996 in words is "two hundred fifty-one billion, sixty-four million, nine hundred ninety-nine thousand, nine hundred ninety-six".