11043001 has 2 divisors, whose sum is σ = 11043002. Its totient is φ = 11043000.

The previous prime is 11042989. The next prime is 11043017. The reversal of 11043001 is 10034011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2399401 = 2940^2 + 1549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11043001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11043061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521500 + 5521501.

It is an arithmetic number, because the mean of its divisors is an integer number (5521501).

Almost surely, 2^11043001 is an apocalyptic number.

It is an amenable number.

11043001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043001 is an equidigital number, since it uses as much as digits as its factorization.

11043001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11043001 is about 3323.1011119134. The cubic root of 11043001 is about 222.6874303349.

Adding to 11043001 its reverse (10034011), we get a palindrome (21077012).

The spelling of 11043001 in words is "eleven million, forty-three thousand, one".