11216258191 has 2 divisors, whose sum is σ = 11216258192. Its totient is φ = 11216258190.

The previous prime is 11216258171. The next prime is 11216258227. The reversal of 11216258191 is 19185261211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11216258191 - 2¹⁷ = 11216127119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11216258191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11216258171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608129095 + 5608129096.

It is an arithmetic number, because the mean of its divisors is an integer number (5608129096).

Almost surely, 2^11216258191 is an apocalyptic number.

11216258191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216258191 is an equidigital number, since it uses as much as digits as its factorization.

11216258191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 37.

The spelling of 11216258191 in words is "eleven billion, two hundred sixteen million, two hundred fifty-eight thousand, one hundred ninety-one".