255242505412353 has 4 divisors (see below), whose sum is σ = 340323340549808. Its totient is φ = 170161670274900.

The previous prime is 255242505412351. The next prime is 255242505412379. The reversal of 255242505412353 is 353214505242552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255242505412353 - 2¹ = 255242505412351 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255242505412351) 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 3 ways as a sum of consecutive naturals, for example, 42540417568723 + ... + 42540417568728.

It is an arithmetic number, because the mean of its divisors is an integer number (85080835137452).

Almost surely, 2^{255242505412353} is an apocalyptic number.

It is an amenable number.

255242505412353 is a deficient number, since it is larger than the sum of its proper divisors (85080835137455).

255242505412353 is an equidigital number, since it uses as much as digits as its factorization.

255242505412353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85080835137454.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 255242505412353 in words is "two hundred fifty-five trillion, two hundred forty-two billion, five hundred five million, four hundred twelve thousand, three hundred fifty-three".