11066281273 has 2 divisors, whose sum is σ = 11066281274. Its totient is φ = 11066281272.

The previous prime is 11066281253. The next prime is 11066281279. The reversal of 11066281273 is 37218266011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8315068969 + 2751212304 = 91187^2 + 52452^2 .

It is an emirp because it is prime and its reverse (37218266011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11066281273 - 2²⁵ = 11032726841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11066281279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533140636 + 5533140637.

It is an arithmetic number, because the mean of its divisors is an integer number (5533140637).

Almost surely, 2^11066281273 is an apocalyptic number.

It is an amenable number.

11066281273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11066281273 is an equidigital number, since it uses as much as digits as its factorization.

11066281273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 11066281273 in words is "eleven billion, sixty-six million, two hundred eighty-one thousand, two hundred seventy-three".