255305002805 has 16 divisors (see below), whose sum is σ = 309427689600. Its totient is φ = 202203249600.

The previous prime is 255305002747. The next prime is 255305002811. The reversal of 255305002805 is 508200503552.

It is not a de Polignac number, because 255305002805 - 2¹⁰ = 255305001781 is a prime.

It is a super-2 number, since 2×255305002805² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8863016 + ... + 8891774.

It is an arithmetic number, because the mean of its divisors is an integer number (19339230600).

Almost surely, 2^255305002805 is an apocalyptic number.

It is an amenable number.

255305002805 is a deficient number, since it is larger than the sum of its proper divisors (54122686795).

255305002805 is a wasteful number, since it uses less digits than its factorization.

255305002805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46444.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 255305002805 in words is "two hundred fifty-five billion, three hundred five million, two thousand, eight hundred five".