255280255255 has 4 divisors (see below), whose sum is σ = 306336306312. Its totient is φ = 204224204200.

The previous prime is 255280255253. The next prime is 255280255277. The reversal of 255280255255 is 552552082552.

It is a happy number.

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

It is not a de Polignac number, because 255280255255 - 2¹ = 255280255253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255280255253) 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, 25528025521 + ... + 25528025530.

It is an arithmetic number, because the mean of its divisors is an integer number (76584076578).

Almost surely, 2^255280255255 is an apocalyptic number.

255280255255 is a deficient number, since it is larger than the sum of its proper divisors (51056051057).

255280255255 is an equidigital number, since it uses as much as digits as its factorization.

255280255255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056051056.

The product of its (nonzero) digits is 2000000, while the sum is 46.

The spelling of 255280255255 in words is "two hundred fifty-five billion, two hundred eighty million, two hundred fifty-five thousand, two hundred fifty-five".