11005073 has 4 divisors (see below), whose sum is σ = 11085540. Its totient is φ = 10924608.

The previous prime is 11005067. The next prime is 11005081. The reversal of 11005073 is 37050011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7879249 + 3125824 = 2807^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 11005073 - 2¹⁴ = 10988689 is a prime.

It is a super-2 number, since 2×11005073² = 242223263470658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11005013) 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 in 3 ways as a sum of consecutive naturals, for example, 40028 + ... + 40301.

It is an arithmetic number, because the mean of its divisors is an integer number (2771385).

Almost surely, 2^11005073 is an apocalyptic number.

It is an amenable number.

11005073 is a deficient number, since it is larger than the sum of its proper divisors (80467).

11005073 is an equidigital number, since it uses as much as digits as its factorization.

11005073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80466.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 11005073 is about 3317.3894857252. The cubic root of 11005073 is about 222.4321924419.

Adding to 11005073 its reverse (37050011), we get a palindrome (48055084).

The spelling of 11005073 in words is "eleven million, five thousand, seventy-three".