255120104423205 has 192 divisors, whose sum is σ = 533826936115200. Its totient is φ = 114467778754560.

The previous prime is 255120104423179. The next prime is 255120104423213. The reversal of 255120104423205 is 502324401021552.

255120104423205 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 2 + 0 + 1 + 0 + 442 + 3 + 205 = 666.

It is not a de Polignac number, because 255120104423205 - 2⁷ = 255120104423077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255120104423205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 316229781 + ... + 317035509.

It is an arithmetic number, because the mean of its divisors is an integer number (2780348625600).

Almost surely, 2^{255120104423205} is an apocalyptic number.

It is an amenable number.

255120104423205 is an abundant number, since it is smaller than the sum of its proper divisors (278706831691995).

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

255120104423205 is an equidigital number, since it uses as much as digits as its factorization.

255120104423205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806446 (or 806434 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 255120104423205 its reverse (502324401021552), we get a palindrome (757444505444757).

The spelling of 255120104423205 in words is "two hundred fifty-five trillion, one hundred twenty billion, one hundred four million, four hundred twenty-three thousand, two hundred five".