255863758835 has 16 divisors (see below), whose sum is σ = 307429635072. Its totient is φ = 204429052800.

The previous prime is 255863758817. The next prime is 255863758841. The reversal of 255863758835 is 538857368552.

It is not a de Polignac number, because 255863758835 - 2⁶ = 255863758771 is a prime.

It is a Duffinian number.

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, 25300430 + ... + 25310540.

It is an arithmetic number, because the mean of its divisors is an integer number (19214352192).

Almost surely, 2^255863758835 is an apocalyptic number.

255863758835 is a deficient number, since it is larger than the sum of its proper divisors (51565876237).

255863758835 is a wasteful number, since it uses less digits than its factorization.

255863758835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094.

The product of its digits is 241920000, while the sum is 65.

The spelling of 255863758835 in words is "two hundred fifty-five billion, eight hundred sixty-three million, seven hundred fifty-eight thousand, eight hundred thirty-five".