252681494955 has 32 divisors (see below), whose sum is σ = 405295488000. Its totient is φ = 134428637952.

The previous prime is 252681494917. The next prime is 252681494959. The reversal of 252681494955 is 559494186252.

It is not a de Polignac number, because 252681494955 - 2⁸ = 252681494699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252681494959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32562366 + ... + 32570124.

It is an arithmetic number, because the mean of its divisors is an integer number (12665484000).

Almost surely, 2^252681494955 is an apocalyptic number.

252681494955 is a deficient number, since it is larger than the sum of its proper divisors (152613993045).

252681494955 is a wasteful number, since it uses less digits than its factorization.

252681494955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883.

The product of its digits is 31104000, while the sum is 60.

The spelling of 252681494955 in words is "two hundred fifty-two billion, six hundred eighty-one million, four hundred ninety-four thousand, nine hundred fifty-five".