11090843 has 4 divisors (see below), whose sum is σ = 11099088. Its totient is φ = 11082600.

The previous prime is 11090831. The next prime is 11090873. The reversal of 11090843 is 34809011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34809011 = 1429 ⋅24359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11090843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11090873) 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, 1583 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^11090843 is an apocalyptic number.

11090843 is a deficient number, since it is larger than the sum of its proper divisors (8245).

11090843 is an equidigital number, since it uses as much as digits as its factorization.

11090843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11090843 is about 3330.2917289631. The cubic root of 11090843 is about 223.0085526960.

Adding to 11090843 its reverse (34809011), we get a palindrome (45899854).

The spelling of 11090843 in words is "eleven million, ninety thousand, eight hundred forty-three".