255259783281 has 16 divisors (see below), whose sum is σ = 355155836544. Its totient is φ = 162768950784.

The previous prime is 255259783253. The next prime is 255259783349. The reversal of 255259783281 is 182387952552.

It is not a de Polignac number, because 255259783281 - 2⁶ = 255259783217 is a prime.

It is a super-2 number, since 2×255259783281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255259783201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3619105 + ... + 3688961.

It is an arithmetic number, because the mean of its divisors is an integer number (22197239784).

Almost surely, 2^255259783281 is an apocalyptic number.

It is an amenable number.

255259783281 is a deficient number, since it is larger than the sum of its proper divisors (99896053263).

255259783281 is a wasteful number, since it uses less digits than its factorization.

255259783281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122840.

The product of its digits is 12096000, while the sum is 57.

The spelling of 255259783281 in words is "two hundred fifty-five billion, two hundred fifty-nine million, seven hundred eighty-three thousand, two hundred eighty-one".