11040031291 has 2 divisors, whose sum is σ = 11040031292. Its totient is φ = 11040031290.

The previous prime is 11040031283. The next prime is 11040031297. The reversal of 11040031291 is 19213004011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11040031291 - 2³ = 11040031283 is a prime.

It is not a weakly prime, because it can be changed into another prime (11040031297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520015645 + 5520015646.

It is an arithmetic number, because the mean of its divisors is an integer number (5520015646).

Almost surely, 2^11040031291 is an apocalyptic number.

11040031291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040031291 is an equidigital number, since it uses as much as digits as its factorization.

11040031291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 11040031291 in words is "eleven billion, forty million, thirty-one thousand, two hundred ninety-one".