11331302109991 has 2 divisors, whose sum is σ = 11331302109992. Its totient is φ = 11331302109990.

The previous prime is 11331302109961. The next prime is 11331302110043. The reversal of 11331302109991 is 19990120313311.

11331302109991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331302109991 - 2⁷ = 11331302109863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331302109961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665651054995 + 5665651054996.

It is an arithmetic number, because the mean of its divisors is an integer number (5665651054996).

Almost surely, 2^{11331302109991} is an apocalyptic number.

11331302109991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331302109991 is an equidigital number, since it uses as much as digits as its factorization.

11331302109991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 11331302109991 in words is "eleven trillion, three hundred thirty-one billion, three hundred two million, one hundred nine thousand, nine hundred ninety-one".