11001000100091 has 2 divisors, whose sum is σ = 11001000100092. Its totient is φ = 11001000100090.

The previous prime is 11001000100049. The next prime is 11001000100121. The reversal of 11001000100091 is 19000100010011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001000100091 - 2²⁶ = 11000932991227 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001000100891) 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, 5500500050045 + 5500500050046.

It is an arithmetic number, because the mean of its divisors is an integer number (5500500050046).

Almost surely, 2^{11001000100091} is an apocalyptic number.

11001000100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001000100091 is an equidigital number, since it uses as much as digits as its factorization.

11001000100091 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 14.

The spelling of 11001000100091 in words is "eleven trillion, one billion, one hundred thousand, ninety-one".