11101111110091 has 2 divisors, whose sum is σ = 11101111110092. Its totient is φ = 11101111110090.

The previous prime is 11101111110077. The next prime is 11101111110107. The reversal of 11101111110091 is 19001111110111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101111110091 - 2⁹ = 11101111109579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101111110191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550555555045 + 5550555555046.

It is an arithmetic number, because the mean of its divisors is an integer number (5550555555046).

Almost surely, 2^{11101111110091} is an apocalyptic number.

11101111110091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101111110091 is an equidigital number, since it uses as much as digits as its factorization.

11101111110091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 11101111110091 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, ninety-one".