11185641191 has 2 divisors, whose sum is σ = 11185641192. Its totient is φ = 11185641190.

The previous prime is 11185641143. The next prime is 11185641239. The reversal of 11185641191 is 19114658111.

It is a balanced prime because it is at equal distance from previous prime (11185641143) and next prime (11185641239).

It is a cyclic number.

It is not a de Polignac number, because 11185641191 - 2¹⁸ = 11185379047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11185641391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5592820595 + 5592820596.

It is an arithmetic number, because the mean of its divisors is an integer number (5592820596).

Almost surely, 2^11185641191 is an apocalyptic number.

11185641191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11185641191 is an equidigital number, since it uses as much as digits as its factorization.

11185641191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 38.

The spelling of 11185641191 in words is "eleven billion, one hundred eighty-five million, six hundred forty-one thousand, one hundred ninety-one".