255155011 has 2 divisors, whose sum is σ = 255155012. Its totient is φ = 255155010.

The previous prime is 255154993. The next prime is 255155027. The reversal of 255155011 is 110551552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255155011 - 2¹⁵ = 255122243 is a prime.

It is not a weakly prime, because it can be changed into another prime (255155081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127577505 + 127577506.

It is an arithmetic number, because the mean of its divisors is an integer number (127577506).

Almost surely, 2^255155011 is an apocalyptic number.

255155011 is a deficient number, since it is larger than the sum of its proper divisors (1).

255155011 is an equidigital number, since it uses as much as digits as its factorization.

255155011 is an evil number, because the sum of its binary digits is even.

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

The square root of 255155011 is about 15973.5722679681. The cubic root of 255155011 is about 634.2610380061.

The spelling of 255155011 in words is "two hundred fifty-five million, one hundred fifty-five thousand, eleven".