11080305 has 24 divisors (see below), whose sum is σ = 19474728. Its totient is φ = 5826816.

The previous prime is 11080301. The next prime is 11080313. The reversal of 11080305 is 50308011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 6517809 = 2136^2 + 2553^2 .

It is not a de Polignac number, because 11080305 - 2² = 11080301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11080301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (811447).

Almost surely, 2^11080305 is an apocalyptic number.

11080305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11080305 is a deficient number, since it is larger than the sum of its proper divisors (8394423).

11080305 is a wasteful number, since it uses less digits than its factorization.

11080305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11080305 is about 3328.7092092882. The cubic root of 11080305 is about 222.9378995507.

Adding to 11080305 its reverse (50308011), we get a palindrome (61388316).

The spelling of 11080305 in words is "eleven million, eighty thousand, three hundred five".