255775579519 has 2 divisors, whose sum is σ = 255775579520. Its totient is φ = 255775579518.

The previous prime is 255775579511. The next prime is 255775579541. The reversal of 255775579519 is 915975577552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255775579519 - 2³ = 255775579511 is a prime.

It is a super-2 number, since 2×255775579519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255775579511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127887789759 + 127887789760.

It is an arithmetic number, because the mean of its divisors is an integer number (127887789760).

Almost surely, 2^255775579519 is an apocalyptic number.

255775579519 is a deficient number, since it is larger than the sum of its proper divisors (1).

255775579519 is an equidigital number, since it uses as much as digits as its factorization.

255775579519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 173643750, while the sum is 67.

The spelling of 255775579519 in words is "two hundred fifty-five billion, seven hundred seventy-five million, five hundred seventy-nine thousand, five hundred nineteen".