255904996063 has 32 divisors (see below), whose sum is σ = 268985106432. Its totient is φ = 243180403200.

The previous prime is 255904996007. The next prime is 255904996073. The reversal of 255904996063 is 360699409552.

It is a cyclic number.

It is not a de Polignac number, because 255904996063 - 2³³ = 247315061471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255904995989 and 255904996007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255904996073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188026503 + ... + 188027863.

It is an arithmetic number, because the mean of its divisors is an integer number (8405784576).

Almost surely, 2^255904996063 is an apocalyptic number.

255904996063 is a deficient number, since it is larger than the sum of its proper divisors (13080110369).

255904996063 is a wasteful number, since it uses less digits than its factorization.

255904996063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 255904996063 in words is "two hundred fifty-five billion, nine hundred four million, nine hundred ninety-six thousand, sixty-three".