11559843 has 6 divisors (see below), whose sum is σ = 16697564. Its totient is φ = 7706556.

The previous prime is 11559841. The next prime is 11559853. The reversal of 11559843 is 34895511.

It is not a de Polignac number, because 11559843 - 2¹ = 11559841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11559798 and 11559807.

It is not an unprimeable number, because it can be changed into a prime (11559841) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 642205 + ... + 642222.

Almost surely, 2^11559843 is an apocalyptic number.

11559843 is a deficient number, since it is larger than the sum of its proper divisors (5137721).

11559843 is a wasteful number, since it uses less digits than its factorization.

11559843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284433 (or 1284430 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 11559843 is about 3399.9769116863. The cubic root of 11559843 is about 226.1087202384.

The spelling of 11559843 in words is "eleven million, five hundred fifty-nine thousand, eight hundred forty-three".