11660065223 has 2 divisors, whose sum is σ = 11660065224. Its totient is φ = 11660065222.

The previous prime is 11660065187. The next prime is 11660065273. The reversal of 11660065223 is 32256006611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11660065223 - 2²⁰ = 11659016647 is a prime.

It is a super-2 number, since 2×11660065223² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11660065223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660065273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830032611 + 5830032612.

It is an arithmetic number, because the mean of its divisors is an integer number (5830032612).

Almost surely, 2^11660065223 is an apocalyptic number.

11660065223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660065223 is an equidigital number, since it uses as much as digits as its factorization.

11660065223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11660065223 in words is "eleven billion, six hundred sixty million, sixty-five thousand, two hundred twenty-three".