255775579513 has 16 divisors (see below), whose sum is σ = 262210265856. Its totient is φ = 249363510480.

The previous prime is 255775579511. The next prime is 255775579519. The reversal of 255775579513 is 315975577552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255775579513 - 2¹ = 255775579511 is a prime.

It is a super-2 number, since 2×255775579513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255775579511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82961670 + ... + 82964752.

It is an arithmetic number, because the mean of its divisors is an integer number (16388141616).

Almost surely, 2^255775579513 is an apocalyptic number.

It is an amenable number.

255775579513 is a deficient number, since it is larger than the sum of its proper divisors (6434686343).

255775579513 is a wasteful number, since it uses less digits than its factorization.

255775579513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084.

The product of its digits is 57881250, while the sum is 61.

The spelling of 255775579513 in words is "two hundred fifty-five billion, seven hundred seventy-five million, five hundred seventy-nine thousand, five hundred thirteen".