11040305 has 4 divisors (see below), whose sum is σ = 13248372. Its totient is φ = 8832240.

The previous prime is 11040241. The next prime is 11040313. The reversal of 11040305 is 50304011.

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 5527201 + 5513104 = 2351^2 + 2348^2 .

It is not a de Polignac number, because 11040305 - 2⁶ = 11040241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 11040305.

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, 1104026 + ... + 1104035.

It is an arithmetic number, because the mean of its divisors is an integer number (3312093).

Almost surely, 2^11040305 is an apocalyptic number.

It is an amenable number.

11040305 is a deficient number, since it is larger than the sum of its proper divisors (2208067).

11040305 is an equidigital number, since it uses as much as digits as its factorization.

11040305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208066.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 11040305 is about 3322.6954419567. The cubic root of 11040305 is about 222.6693068141.

Adding to 11040305 its reverse (50304011), we get a palindrome (61344316).

The spelling of 11040305 in words is "eleven million, forty thousand, three hundred five".