11005843 has 2 divisors, whose sum is σ = 11005844. Its totient is φ = 11005842.

The previous prime is 11005823. The next prime is 11005847. The reversal of 11005843 is 34850011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11005843 - 2⁵ = 11005811 is a prime.

It is a super-2 number, since 2×11005843² = 242257160281298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11005847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502921 + 5502922.

It is an arithmetic number, because the mean of its divisors is an integer number (5502922).

Almost surely, 2^11005843 is an apocalyptic number.

11005843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005843 is an equidigital number, since it uses as much as digits as its factorization.

11005843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11005843 is about 3317.5055388047. The cubic root of 11005843 is about 222.4373800130.

Adding to 11005843 its reverse (34850011), we get a palindrome (45855854).

The spelling of 11005843 in words is "eleven million, five thousand, eight hundred forty-three".