11552143 has 2 divisors, whose sum is σ = 11552144. Its totient is φ = 11552142.

The previous prime is 11552137. The next prime is 11552153. The reversal of 11552143 is 34125511.

It is a happy number.

11552143 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11552143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11552113) 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, 5776071 + 5776072.

It is an arithmetic number, because the mean of its divisors is an integer number (5776072).

Almost surely, 2^11552143 is an apocalyptic number.

11552143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552143 is an equidigital number, since it uses as much as digits as its factorization.

11552143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 11552143 is about 3398.8443624267. The cubic root of 11552143 is about 226.0585054891.

Adding to 11552143 its reverse (34125511), we get a palindrome (45677654).

The spelling of 11552143 in words is "eleven million, five hundred fifty-two thousand, one hundred forty-three".