255055250305 has 4 divisors (see below), whose sum is σ = 306066300372. Its totient is φ = 204044200240.

The previous prime is 255055250267. The next prime is 255055250311. The reversal of 255055250305 is 503052550552.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45573283441 + 209481966864 = 213479^2 + 457692^2 .

It is not a de Polignac number, because 255055250305 - 2¹¹ = 255055248257 is a prime.

It is a Duffinian 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, 25505525026 + ... + 25505525035.

It is an arithmetic number, because the mean of its divisors is an integer number (76516575093).

Almost surely, 2^255055250305 is an apocalyptic number.

It is an amenable number.

255055250305 is a deficient number, since it is larger than the sum of its proper divisors (51011050067).

255055250305 is an equidigital number, since it uses as much as digits as its factorization.

255055250305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51011050066.

The product of its (nonzero) digits is 187500, while the sum is 37.

The spelling of 255055250305 in words is "two hundred fifty-five billion, fifty-five million, two hundred fifty thousand, three hundred five".