11043009 has 12 divisors (see below), whose sum is σ = 16790800. Its totient is φ = 6974424.

The previous prime is 11043001. The next prime is 11043017. The reversal of 11043009 is 90034011.

It is an interprime number because it is at equal distance from previous prime (11043001) and next prime (11043017).

It is not a de Polignac number, because 11043009 - 2³ = 11043001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042982 and 11043000.

It is not an unprimeable number, because it can be changed into a prime (11043001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32119 + ... + 32460.

Almost surely, 2^11043009 is an apocalyptic number.

11043009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11043009 is a deficient number, since it is larger than the sum of its proper divisors (5747791).

11043009 is a wasteful number, since it uses less digits than its factorization.

11043009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64604 (or 64601 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11043009 is about 3323.1023156081. The cubic root of 11043009 is about 222.6874841095.

The spelling of 11043009 in words is "eleven million, forty-three thousand, nine".