11311583 has 2 divisors, whose sum is σ = 11311584. Its totient is φ = 11311582.

The previous prime is 11311577. The next prime is 11311589. The reversal of 11311583 is 38511311.

11311583 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11311577) and next prime (11311589).

It is an emirp because it is prime and its reverse (38511311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11311583 - 2⁴ = 11311567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655791 + 5655792.

It is an arithmetic number, because the mean of its divisors is an integer number (5655792).

Almost surely, 2^11311583 is an apocalyptic number.

11311583 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311583 is an equidigital number, since it uses as much as digits as its factorization.

11311583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 23.

The square root of 11311583 is about 3363.2696888593. The cubic root of 11311583 is about 224.4783503675.

Adding to 11311583 its reverse (38511311), we get a palindrome (49822894).

The spelling of 11311583 in words is "eleven million, three hundred eleven thousand, five hundred eighty-three".