11041320091 has 2 divisors, whose sum is σ = 11041320092. Its totient is φ = 11041320090.

The previous prime is 11041320083. The next prime is 11041320139. The reversal of 11041320091 is 19002314011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11041320091 - 2³ = 11041320083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11041320011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520660045 + 5520660046.

It is an arithmetic number, because the mean of its divisors is an integer number (5520660046).

Almost surely, 2^11041320091 is an apocalyptic number.

11041320091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11041320091 is an equidigital number, since it uses as much as digits as its factorization.

11041320091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 11041320091 in words is "eleven billion, forty-one million, three hundred twenty thousand, ninety-one".