255802550505 has 32 divisors (see below), whose sum is σ = 419069026944. Its totient is φ = 133202420736.

The previous prime is 255802550503. The next prime is 255802550519. The reversal of 255802550505 is 505055208552.

255802550505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255802550505 - 2¹ = 255802550503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255802550503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1012674 + ... + 1239803.

It is an arithmetic number, because the mean of its divisors is an integer number (13095907092).

Almost surely, 2^255802550505 is an apocalyptic number.

It is an amenable number.

255802550505 is a deficient number, since it is larger than the sum of its proper divisors (163266476439).

255802550505 is a wasteful number, since it uses less digits than its factorization.

255802550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252665.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 255802550505 in words is "two hundred fifty-five billion, eight hundred two million, five hundred fifty thousand, five hundred five".