11643041 has 2 divisors, whose sum is σ = 11643042. Its totient is φ = 11643040.

The previous prime is 11642959. The next prime is 11643089. The reversal of 11643041 is 14034611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 1274641 = 3220^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 11643041 - 2¹⁰ = 11642017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11643091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821520 + 5821521.

It is an arithmetic number, because the mean of its divisors is an integer number (5821521).

Almost surely, 2^11643041 is an apocalyptic number.

It is an amenable number.

11643041 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643041 is an equidigital number, since it uses as much as digits as its factorization.

11643041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11643041 is about 3412.1900591849. The cubic root of 11643041 is about 226.6498706797.

Adding to 11643041 its reverse (14034611), we get a palindrome (25677652).

The spelling of 11643041 in words is "eleven million, six hundred forty-three thousand, forty-one".