11333231320091 has 2 divisors, whose sum is σ = 11333231320092. Its totient is φ = 11333231320090.

The previous prime is 11333231320009. The next prime is 11333231320093. The reversal of 11333231320091 is 19002313233311.

11333231320091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11333231320091 - 2²⁶ = 11333164211227 is a prime.

Together with 11333231320093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11333231320093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666615660045 + 5666615660046.

It is an arithmetic number, because the mean of its divisors is an integer number (5666615660046).

Almost surely, 2^{11333231320091} is an apocalyptic number.

11333231320091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333231320091 is an equidigital number, since it uses as much as digits as its factorization.

11333231320091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 11333231320091 in words is "eleven trillion, three hundred thirty-three billion, two hundred thirty-one million, three hundred twenty thousand, ninety-one".