11042530 has 32 divisors (see below), whose sum is σ = 21264768. Its totient is φ = 4118400.

The previous prime is 11042513. The next prime is 11042531. The reversal of 11042530 is 3524011.

It is not an unprimeable number, because it can be changed into a prime (11042531) 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 15 ways as a sum of consecutive naturals, for example, 8845 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (664524).

Almost surely, 2^11042530 is an apocalyptic number.

11042530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11042530 is a deficient number, since it is larger than the sum of its proper divisors (10222238).

11042530 is a wasteful number, since it uses less digits than its factorization.

11042530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11042530 is about 3323.0302436180. The cubic root of 11042530 is about 222.6842643093.

Adding to 11042530 its product of nonzero digits (120), we get a triangular number (11042650 = T₄₆₉₉).

Adding to 11042530 its reverse (3524011), we get a palindrome (14566541).

The spelling of 11042530 in words is "eleven million, forty-two thousand, five hundred thirty".