11811193 has 2 divisors, whose sum is σ = 11811194. Its totient is φ = 11811192.

The previous prime is 11811187. The next prime is 11811203. The reversal of 11811193 is 39111811.

11811193 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7661824 + 4149369 = 2768^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 11811193 - 2²¹ = 9714041 is a prime.

It is not a weakly prime, because it can be changed into another prime (11811493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905596 + 5905597.

It is an arithmetic number, because the mean of its divisors is an integer number (5905597).

Almost surely, 2^11811193 is an apocalyptic number.

It is an amenable number.

11811193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811193 is an equidigital number, since it uses as much as digits as its factorization.

11811193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 25.

The square root of 11811193 is about 3436.7416254353. The cubic root of 11811193 is about 227.7357729580.

It can be divided in two parts, 118 and 11193, that added together give a palindrome (11311).

The spelling of 11811193 in words is "eleven million, eight hundred eleven thousand, one hundred ninety-three".