11305043 has 4 divisors (see below), whose sum is σ = 11354640. Its totient is φ = 11255448.

The previous prime is 11305037. The next prime is 11305061. The reversal of 11305043 is 34050311.

11305043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34050311 = 613 ⋅55547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11305043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305003) 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, 24455 + ... + 24912.

It is an arithmetic number, because the mean of its divisors is an integer number (2838660).

Almost surely, 2^11305043 is an apocalyptic number.

11305043 is a deficient number, since it is larger than the sum of its proper divisors (49597).

11305043 is an equidigital number, since it uses as much as digits as its factorization.

11305043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49596.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 11305043 is about 3362.2972801345. The cubic root of 11305043 is about 224.4350799300.

Adding to 11305043 its reverse (34050311), we get a palindrome (45355354).

The spelling of 11305043 in words is "eleven million, three hundred five thousand, forty-three".