11023541 has 2 divisors, whose sum is σ = 11023542. Its totient is φ = 11023540.

The previous prime is 11023517. The next prime is 11023543. The reversal of 11023541 is 14532011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 461041 = 3250^2 + 679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023541 is a prime.

Together with 11023543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11023543) 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 as a sum of consecutive naturals, namely, 5511770 + 5511771.

It is an arithmetic number, because the mean of its divisors is an integer number (5511771).

Almost surely, 2^11023541 is an apocalyptic number.

It is an amenable number.

11023541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023541 is an equidigital number, since it uses as much as digits as its factorization.

11023541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11023541 is about 3320.1718329026. The cubic root of 11023541 is about 222.5565466682.

Adding to 11023541 its reverse (14532011), we get a palindrome (25555552).

The spelling of 11023541 in words is "eleven million, twenty-three thousand, five hundred forty-one".