255835508556 has 12 divisors (see below), whose sum is σ = 596949519992. Its totient is φ = 85278502848.

The previous prime is 255835508543. The next prime is 255835508569. The reversal of 255835508556 is 655805538552.

It is an interprime number because it is at equal distance from previous prime (255835508543) and next prime (255835508569).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 255835508496 and 255835508505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10659812845 + ... + 10659812868.

Almost surely, 2^255835508556 is an apocalyptic number.

It is an amenable number.

255835508556 is an abundant number, since it is smaller than the sum of its proper divisors (341114011436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255835508556 is a wasteful number, since it uses less digits than its factorization.

255835508556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319625720 (or 21319625718 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 57.

The spelling of 255835508556 in words is "two hundred fifty-five billion, eight hundred thirty-five million, five hundred eight thousand, five hundred fifty-six".