255123210344205 has 64 divisors (see below), whose sum is σ = 473494724720640. Its totient is φ = 114881978813184.

The previous prime is 255123210344153. The next prime is 255123210344231. The reversal of 255123210344205 is 502443012321552.

It is not a de Polignac number, because 255123210344205 - 2¹⁶ = 255123210278669 is a prime.

It is a super-2 number, since 2×255123210344205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161221642 + ... + 162796388.

It is an arithmetic number, because the mean of its divisors is an integer number (7398355073760).

Almost surely, 2^{255123210344205} is an apocalyptic number.

It is an amenable number.

255123210344205 is a deficient number, since it is larger than the sum of its proper divisors (218371514376435).

255123210344205 is a wasteful number, since it uses less digits than its factorization.

255123210344205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597858.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 255123210344205 its reverse (502443012321552), we get a palindrome (757566222665757).

The spelling of 255123210344205 in words is "two hundred fifty-five trillion, one hundred twenty-three billion, two hundred ten million, three hundred forty-four thousand, two hundred five".