255545354125535 has 4 divisors (see below), whose sum is σ = 306654424950648. Its totient is φ = 204436283300424.

The previous prime is 255545354125513. The next prime is 255545354125561. The reversal of 255545354125535 is 535521453545552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255545354125535 - 2²⁴ = 255545337348319 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 25554535412549 + ... + 25554535412558.

It is an arithmetic number, because the mean of its divisors is an integer number (76663606237662).

Almost surely, 2^{255545354125535} is an apocalyptic number.

255545354125535 is a deficient number, since it is larger than the sum of its proper divisors (51109070825113).

255545354125535 is an equidigital number, since it uses as much as digits as its factorization.

255545354125535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51109070825112.

The product of its digits is 225000000, while the sum is 59.

The spelling of 255545354125535 in words is "two hundred fifty-five trillion, five hundred forty-five billion, three hundred fifty-four million, one hundred twenty-five thousand, five hundred thirty-five".