11006005 has 4 divisors (see below), whose sum is σ = 13207212. Its totient is φ = 8804800.

The previous prime is 11005957. The next prime is 11006011. The reversal of 11006005 is 50060011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50060011 = 853 ⋅58687.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 7524049 = 1866^2 + 2743^2 .

It is not a de Polignac number, because 11006005 - 2⁹ = 11005493 is a prime.

It is a super-2 number, since 2×11006005² = 242264292120050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1100596 + ... + 1100605.

It is an arithmetic number, because the mean of its divisors is an integer number (3301803).

Almost surely, 2^11006005 is an apocalyptic number.

It is an amenable number.

11006005 is a deficient number, since it is larger than the sum of its proper divisors (2201207).

11006005 is an equidigital number, since it uses as much as digits as its factorization.

11006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201206.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11006005 is about 3317.5299546500. The cubic root of 11006005 is about 222.4384713932.

Adding to 11006005 its reverse (50060011), we get a palindrome (61066016).

The spelling of 11006005 in words is "eleven million, six thousand, five".