11042043 has 4 divisors (see below), whose sum is σ = 14722728. Its totient is φ = 7361360.

The previous prime is 11042029. The next prime is 11042077. The reversal of 11042043 is 34024011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11042043 - 2⁸ = 11041787 is a prime.

It is a super-2 number, since 2×11042043² = 243853427227698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11044043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840338 + ... + 1840343.

It is an arithmetic number, because the mean of its divisors is an integer number (3680682).

Almost surely, 2^11042043 is an apocalyptic number.

11042043 is a deficient number, since it is larger than the sum of its proper divisors (3680685).

11042043 is an equidigital number, since it uses as much as digits as its factorization.

11042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680684.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11042043 is about 3322.9569663178. The cubic root of 11042043 is about 222.6809906383.

Adding to 11042043 its reverse (34024011), we get a palindrome (45066054).

The spelling of 11042043 in words is "eleven million, forty-two thousand, forty-three".