11200026191 has 2 divisors, whose sum is σ = 11200026192. Its totient is φ = 11200026190.

The previous prime is 11200026169. The next prime is 11200026193. The reversal of 11200026191 is 19162000211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200026191 is a prime.

Together with 11200026193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200026193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600013095 + 5600013096.

It is an arithmetic number, because the mean of its divisors is an integer number (5600013096).

Almost surely, 2^11200026191 is an apocalyptic number.

11200026191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200026191 is an equidigital number, since it uses as much as digits as its factorization.

11200026191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11200026191 in words is "eleven billion, two hundred million, twenty-six thousand, one hundred ninety-one".