11105305 has 4 divisors (see below), whose sum is σ = 13326372. Its totient is φ = 8884240.

The previous prime is 11105299. The next prime is 11105321. The reversal of 11105305 is 50350111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50350111 = 7 ⋅7192873.

It can be written as a sum of positive squares in 2 ways, for example, as 8696601 + 2408704 = 2949^2 + 1552^2 .

It is not a de Polignac number, because 11105305 - 2¹³ = 11097113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110526 + ... + 1110535.

It is an arithmetic number, because the mean of its divisors is an integer number (3331593).

Almost surely, 2^11105305 is an apocalyptic number.

It is an amenable number.

11105305 is a deficient number, since it is larger than the sum of its proper divisors (2221067).

11105305 is an equidigital number, since it uses as much as digits as its factorization.

11105305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221066.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11105305 is about 3332.4623028626. The cubic root of 11105305 is about 223.1054419010.

Adding to 11105305 its reverse (50350111), we get a palindrome (61455416).

The spelling of 11105305 in words is "eleven million, one hundred five thousand, three hundred five".