11033310091 has 2 divisors, whose sum is σ = 11033310092. Its totient is φ = 11033310090.

The previous prime is 11033310083. The next prime is 11033310109. The reversal of 11033310091 is 19001333011.

11033310091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11033310109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11033310091 - 2³ = 11033310083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11033310191) 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, 5516655045 + 5516655046.

It is an arithmetic number, because the mean of its divisors is an integer number (5516655046).

Almost surely, 2^11033310091 is an apocalyptic number.

11033310091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033310091 is an equidigital number, since it uses as much as digits as its factorization.

11033310091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 22.

The spelling of 11033310091 in words is "eleven billion, thirty-three million, three hundred ten thousand, ninety-one".