11116543 has 2 divisors, whose sum is σ = 11116544. Its totient is φ = 11116542.

The previous prime is 11116537. The next prime is 11116549. The reversal of 11116543 is 34561111.

It is a balanced prime because it is at equal distance from previous prime (11116537) and next prime (11116549).

It is a cyclic number.

It is not a de Polignac number, because 11116543 - 2⁹ = 11116031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11116549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558271 + 5558272.

It is an arithmetic number, because the mean of its divisors is an integer number (5558272).

Almost surely, 2^11116543 is an apocalyptic number.

11116543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116543 is an equidigital number, since it uses as much as digits as its factorization.

11116543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 11116543 is about 3334.1480171102. The cubic root of 11116543 is about 223.1806736241.

Adding to 11116543 its reverse (34561111), we get a palindrome (45677654).

The spelling of 11116543 in words is "eleven million, one hundred sixteen thousand, five hundred forty-three".