11944238191 has 2 divisors, whose sum is σ = 11944238192. Its totient is φ = 11944238190.

The previous prime is 11944238177. The next prime is 11944238219. The reversal of 11944238191 is 19183244911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11944238191 - 2²⁷ = 11810020463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11944238101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972119095 + 5972119096.

It is an arithmetic number, because the mean of its divisors is an integer number (5972119096).

Almost surely, 2^11944238191 is an apocalyptic number.

11944238191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11944238191 is an equidigital number, since it uses as much as digits as its factorization.

11944238191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The spelling of 11944238191 in words is "eleven billion, nine hundred forty-four million, two hundred thirty-eight thousand, one hundred ninety-one".