11116143 has 8 divisors (see below), whose sum is σ = 16468400. Its totient is φ = 7410744.

The previous prime is 11116139. The next prime is 11116151. The reversal of 11116143 is 34161111.

It is not a de Polignac number, because 11116143 - 2² = 11116139 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 (11116543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205828 + ... + 205881.

It is an arithmetic number, because the mean of its divisors is an integer number (2058550).

Almost surely, 2^11116143 is an apocalyptic number.

11116143 is a deficient number, since it is larger than the sum of its proper divisors (5352257).

11116143 is an equidigital number, since it uses as much as digits as its factorization.

11116143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411718 (or 411712 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 11116143 is about 3334.0880312313. The cubic root of 11116143 is about 223.1779967326.

Adding to 11116143 its reverse (34161111), we get a palindrome (45277254).

The spelling of 11116143 in words is "eleven million, one hundred sixteen thousand, one hundred forty-three".