11114444191 has 2 divisors, whose sum is σ = 11114444192. Its totient is φ = 11114444190.

The previous prime is 11114444149. The next prime is 11114444197. The reversal of 11114444191 is 19144441111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11114444191 - 2¹³ = 11114435999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11114444197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557222095 + 5557222096.

It is an arithmetic number, because the mean of its divisors is an integer number (5557222096).

Almost surely, 2^11114444191 is an apocalyptic number.

11114444191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11114444191 is an equidigital number, since it uses as much as digits as its factorization.

11114444191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The spelling of 11114444191 in words is "eleven billion, one hundred fourteen million, four hundred forty-four thousand, one hundred ninety-one".