255617265255 has 16 divisors (see below), whose sum is σ = 446168317824. Its totient is φ = 123935643680.

The previous prime is 255617265251. The next prime is 255617265271. The reversal of 255617265255 is 552562716552.

It is not a de Polignac number, because 255617265255 - 2² = 255617265251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255617265198 and 255617265207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255617265251) 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, 774597609 + ... + 774597938.

It is an arithmetic number, because the mean of its divisors is an integer number (27885519864).

Almost surely, 2^255617265255 is an apocalyptic number.

255617265255 is a deficient number, since it is larger than the sum of its proper divisors (190551052569).

255617265255 is a wasteful number, since it uses less digits than its factorization.

255617265255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549195566.

The product of its digits is 6300000, while the sum is 51.

The spelling of 255617265255 in words is "two hundred fifty-five billion, six hundred seventeen million, two hundred sixty-five thousand, two hundred fifty-five".