251232205053 has 16 divisors (see below), whose sum is σ = 343336181760. Its totient is φ = 163352888496.

The previous prime is 251232205043. The next prime is 251232205067. The reversal of 251232205053 is 350502232152.

It is not a de Polignac number, because 251232205053 - 2¹³ = 251232196861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 251232205053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251232205043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565675 + ... + 5610632.

It is an arithmetic number, because the mean of its divisors is an integer number (21458511360).

Almost surely, 2^251232205053 is an apocalyptic number.

It is an amenable number.

251232205053 is a deficient number, since it is larger than the sum of its proper divisors (92103976707).

251232205053 is a wasteful number, since it uses less digits than its factorization.

251232205053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176496.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 251232205053 in words is "two hundred fifty-one billion, two hundred thirty-two million, two hundred five thousand, fifty-three".