11001111110091 has 16 divisors (see below), whose sum is σ = 16300990652800. Its totient is φ = 7332702353064.

The previous prime is 11001111110083. The next prime is 11001111110117. The reversal of 11001111110091 is 19001111110011.

It is not a de Polignac number, because 11001111110091 - 2³ = 11001111110083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001111110021) 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 in 15 ways as a sum of consecutive naturals, for example, 37956301 + ... + 38245038.

It is an arithmetic number, because the mean of its divisors is an integer number (1018811915800).

Almost surely, 2^{11001111110091} is an apocalyptic number.

11001111110091 is a deficient number, since it is larger than the sum of its proper divisors (5299879542709).

11001111110091 is an equidigital number, since it uses as much as digits as its factorization.

11001111110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76206695 (or 76206689 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 11001111110091 in words is "eleven trillion, one billion, one hundred eleven million, one hundred ten thousand, ninety-one".