255063551265 has 64 divisors (see below), whose sum is σ = 477631027200. Its totient is φ = 128788056000.

The previous prime is 255063551209. The next prime is 255063551357. The reversal of 255063551265 is 562155360552.

255063551265 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 635 + 5 + 1 + 2 + 6 + 5 = 666.

It is not a de Polignac number, because 255063551265 - 2⁸ = 255063551009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255063551265.

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, 3894540 + ... + 3959490.

It is an arithmetic number, because the mean of its divisors is an integer number (7462984800).

Almost surely, 2^255063551265 is an apocalyptic number.

It is an amenable number.

255063551265 is a deficient number, since it is larger than the sum of its proper divisors (222567475935).

255063551265 is a wasteful number, since it uses less digits than its factorization.

255063551265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66515 (or 66509 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 255063551265 in words is "two hundred fifty-five billion, sixty-three million, five hundred fifty-one thousand, two hundred sixty-five".