255278052511 has 2 divisors, whose sum is σ = 255278052512. Its totient is φ = 255278052510.

The previous prime is 255278052499. The next prime is 255278052539. The reversal of 255278052511 is 115250872552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255278052511 - 2⁷ = 255278052383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255278056511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127639026255 + 127639026256.

It is an arithmetic number, because the mean of its divisors is an integer number (127639026256).

Almost surely, 2^255278052511 is an apocalyptic number.

255278052511 is a deficient number, since it is larger than the sum of its proper divisors (1).

255278052511 is an equidigital number, since it uses as much as digits as its factorization.

255278052511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280000, while the sum is 43.

The spelling of 255278052511 in words is "two hundred fifty-five billion, two hundred seventy-eight million, fifty-two thousand, five hundred eleven".