2255841871 has 2 divisors, whose sum is σ = 2255841872. Its totient is φ = 2255841870.

The previous prime is 2255841869. The next prime is 2255841947. The reversal of 2255841871 is 1781485522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2255841871 - 2¹ = 2255841869 is a prime.

Together with 2255841869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255041871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127920935 + 1127920936.

It is an arithmetic number, because the mean of its divisors is an integer number (1127920936).

Almost surely, 2^2255841871 is an apocalyptic number.

2255841871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255841871 is an equidigital number, since it uses as much as digits as its factorization.

2255841871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 43.

The square root of 2255841871 is about 47495.7037109674. The cubic root of 2255841871 is about 1311.5037935468.

The spelling of 2255841871 in words is "two billion, two hundred fifty-five million, eight hundred forty-one thousand, eight hundred seventy-one".