255603108828 has 24 divisors (see below), whose sum is σ = 598324970880. Its totient is φ = 84927076720.

The previous prime is 255603108811. The next prime is 255603108853. The reversal of 255603108828 is 828801306552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34241058 + ... + 34248521.

It is an arithmetic number, because the mean of its divisors is an integer number (24930207120).

Almost surely, 2^255603108828 is an apocalyptic number.

It is an amenable number.

255603108828 is an abundant number, since it is smaller than the sum of its proper divisors (342721862052).

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

255603108828 is a wasteful number, since it uses less digits than its factorization.

255603108828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68489897 (or 68489895 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 255603108828 in words is "two hundred fifty-five billion, six hundred three million, one hundred eight thousand, eight hundred twenty-eight".