11017067891 has 2 divisors, whose sum is σ = 11017067892. Its totient is φ = 11017067890.

The previous prime is 11017067879. The next prime is 11017067909. The reversal of 11017067891 is 19876071011.

11017067891 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 11017067891 - 2¹⁸ = 11016805747 is a prime.

It is not a weakly prime, because it can be changed into another prime (11017067861) 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, 5508533945 + 5508533946.

It is an arithmetic number, because the mean of its divisors is an integer number (5508533946).

Almost surely, 2^11017067891 is an apocalyptic number.

11017067891 is a deficient number, since it is larger than the sum of its proper divisors (1).

11017067891 is an equidigital number, since it uses as much as digits as its factorization.

11017067891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 41.

The spelling of 11017067891 in words is "eleven billion, seventeen million, sixty-seven thousand, eight hundred ninety-one".