255545120435135 has 4 divisors (see below), whose sum is σ = 306654144522168. Its totient is φ = 204436096348104.

The previous prime is 255545120435113. The next prime is 255545120435161. The reversal of 255545120435135 is 531534021545552.

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 255545120435135 - 2⁴⁴ = 237952934390719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25554512043509 + ... + 25554512043518.

It is an arithmetic number, because the mean of its divisors is an integer number (76663536130542).

Almost surely, 2^{255545120435135} is an apocalyptic number.

255545120435135 is a deficient number, since it is larger than the sum of its proper divisors (51109024087033).

255545120435135 is an equidigital number, since it uses as much as digits as its factorization.

255545120435135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51109024087032.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 255545120435135 in words is "two hundred fifty-five trillion, five hundred forty-five billion, one hundred twenty million, four hundred thirty-five thousand, one hundred thirty-five".