255111055 has 16 divisors (see below), whose sum is σ = 320246784. Its totient is φ = 194724640.

The previous prime is 255111053. The next prime is 255111079. The reversal of 255111055 is 550111552.

It is not a de Polignac number, because 255111055 - 2¹ = 255111053 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 (255111053) 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, 46992 + ... + 52138.

It is an arithmetic number, because the mean of its divisors is an integer number (20015424).

Almost surely, 2^255111055 is an apocalyptic number.

255111055 is a deficient number, since it is larger than the sum of its proper divisors (65135729).

255111055 is a wasteful number, since it uses less digits than its factorization.

255111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 255111055 is about 15972.1963110901. The cubic root of 255111055 is about 634.2246141616.

The spelling of 255111055 in words is "two hundred fifty-five million, one hundred eleven thousand, fifty-five".