11061143 has 4 divisors (see below), whose sum is σ = 11248680. Its totient is φ = 10873608.

The previous prime is 11061139. The next prime is 11061163. The reversal of 11061143 is 34116011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11061143 - 2² = 11061139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061163) 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 in 3 ways as a sum of consecutive naturals, for example, 93680 + ... + 93797.

It is an arithmetic number, because the mean of its divisors is an integer number (2812170).

Almost surely, 2^11061143 is an apocalyptic number.

11061143 is a deficient number, since it is larger than the sum of its proper divisors (187537).

11061143 is an equidigital number, since it uses as much as digits as its factorization.

11061143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187536.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11061143 is about 3325.8296709242. The cubic root of 11061143 is about 222.8093110027.

Adding to 11061143 its reverse (34116011), we get a palindrome (45177154).

The spelling of 11061143 in words is "eleven million, sixty-one thousand, one hundred forty-three".