255785955774337 has 2 divisors, whose sum is σ = 255785955774338. Its totient is φ = 255785955774336.

The previous prime is 255785955774331. The next prime is 255785955774383. The reversal of 255785955774337 is 733477559587552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255783853643536 + 2102130801 = 15993244^2 + 45849^2 .

It is a cyclic number.

It is not a de Polignac number, because 255785955774337 - 2¹¹ = 255785955772289 is a prime.

It is not a weakly prime, because it can be changed into another prime (255785955774331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127892977887168 + 127892977887169.

It is an arithmetic number, because the mean of its divisors is an integer number (127892977887169).

Almost surely, 2^{255785955774337} is an apocalyptic number.

It is an amenable number.

255785955774337 is a deficient number, since it is larger than the sum of its proper divisors (1).

255785955774337 is an equidigital number, since it uses as much as digits as its factorization.

255785955774337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38896200000, while the sum is 82.

The spelling of 255785955774337 in words is "two hundred fifty-five trillion, seven hundred eighty-five billion, nine hundred fifty-five million, seven hundred seventy-four thousand, three hundred thirty-seven".