255633636345 has 16 divisors (see below), whose sum is σ = 409026473280. Its totient is φ = 136333721024.

The previous prime is 255633636331. The next prime is 255633636397. The reversal of 255633636345 is 543636336552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255633636345 - 2⁶ = 255633636281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272482 + ... + 765188.

It is an arithmetic number, because the mean of its divisors is an integer number (25564154580).

Almost surely, 2^255633636345 is an apocalyptic number.

It is an amenable number.

255633636345 is a deficient number, since it is larger than the sum of its proper divisors (153392836935).

255633636345 is a wasteful number, since it uses less digits than its factorization.

255633636345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527304.

The product of its digits is 17496000, while the sum is 51.

The spelling of 255633636345 in words is "two hundred fifty-five billion, six hundred thirty-three million, six hundred thirty-six thousand, three hundred forty-five".