255145711 has 2 divisors, whose sum is σ = 255145712. Its totient is φ = 255145710.

The previous prime is 255145691. The next prime is 255145721. The reversal of 255145711 is 117541552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255145711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255145721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127572855 + 127572856.

It is an arithmetic number, because the mean of its divisors is an integer number (127572856).

Almost surely, 2^255145711 is an apocalyptic number.

255145711 is a deficient number, since it is larger than the sum of its proper divisors (1).

255145711 is an equidigital number, since it uses as much as digits as its factorization.

255145711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 255145711 is about 15973.2811594863. The cubic root of 255145711 is about 634.2533319724.

The spelling of 255145711 in words is "two hundred fifty-five million, one hundred forty-five thousand, seven hundred eleven".