11110401191 has 2 divisors, whose sum is σ = 11110401192. Its totient is φ = 11110401190.

The previous prime is 11110401179. The next prime is 11110401217. The reversal of 11110401191 is 19110401111.

11110401191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19110401111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110401191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555200595 + 5555200596.

It is an arithmetic number, because the mean of its divisors is an integer number (5555200596).

Almost surely, 2^11110401191 is an apocalyptic number.

11110401191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110401191 is an equidigital number, since it uses as much as digits as its factorization.

11110401191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11110401191 in words is "eleven billion, one hundred ten million, four hundred one thousand, one hundred ninety-one".