255543205305155 has 32 divisors (see below), whose sum is σ = 322433215185600. Its totient is φ = 194145216652800.

The previous prime is 255543205305109. The next prime is 255543205305187. The reversal of 255543205305155 is 551503502345552.

255543205305155 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 255543205305155 - 2¹⁴ = 255543205288771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463016465 + ... + 463568045.

It is an arithmetic number, because the mean of its divisors is an integer number (10076037974550).

Almost surely, 2^{255543205305155} is an apocalyptic number.

255543205305155 is a deficient number, since it is larger than the sum of its proper divisors (66890009880445).

255543205305155 is a wasteful number, since it uses less digits than its factorization.

255543205305155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604055.

The product of its (nonzero) digits is 11250000, while the sum is 50.

The spelling of 255543205305155 in words is "two hundred fifty-five trillion, five hundred forty-three billion, two hundred five million, three hundred five thousand, one hundred fifty-five".