253342315855 has 4 divisors (see below), whose sum is σ = 304010779032. Its totient is φ = 202673852680.

The previous prime is 253342315847. The next prime is 253342315867. The reversal of 253342315855 is 558513243352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 253342315855 - 2³ = 253342315847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25334231581 + ... + 25334231590.

It is an arithmetic number, because the mean of its divisors is an integer number (76002694758).

Almost surely, 2^253342315855 is an apocalyptic number.

253342315855 is a deficient number, since it is larger than the sum of its proper divisors (50668463177).

253342315855 is an equidigital number, since it uses as much as digits as its factorization.

253342315855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50668463176.

The product of its digits is 2160000, while the sum is 46.

The spelling of 253342315855 in words is "two hundred fifty-three billion, three hundred forty-two million, three hundred fifteen thousand, eight hundred fifty-five".