2255186191 has 2 divisors, whose sum is σ = 2255186192. Its totient is φ = 2255186190.

The previous prime is 2255186177. The next prime is 2255186201. The reversal of 2255186191 is 1916815522.

2255186191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2255186191 - 2⁵ = 2255186159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255186291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127593095 + 1127593096.

It is an arithmetic number, because the mean of its divisors is an integer number (1127593096).

Almost surely, 2^2255186191 is an apocalyptic number.

2255186191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255186191 is an equidigital number, since it uses as much as digits as its factorization.

2255186191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 40.

The square root of 2255186191 is about 47488.8006902680. The cubic root of 2255186191 is about 1311.3767145839.

The spelling of 2255186191 in words is "two billion, two hundred fifty-five million, one hundred eighty-six thousand, one hundred ninety-one".