1116342443 has 16 divisors (see below), whose sum is σ = 1186099200. Its totient is φ = 1049062560.

The previous prime is 1116342433. The next prime is 1116342497. The reversal of 1116342443 is 3442436111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1116342443 - 2¹² = 1116338347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116342433) 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 in 15 ways as a sum of consecutive naturals, for example, 159230 + ... + 166092.

It is an arithmetic number, because the mean of its divisors is an integer number (74131200).

Almost surely, 2^1116342443 is an apocalyptic number.

1116342443 is a deficient number, since it is larger than the sum of its proper divisors (69756757).

1116342443 is an equidigital number, since it uses as much as digits as its factorization.

1116342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042.

The product of its digits is 6912, while the sum is 29.

The square root of 1116342443 is about 33411.7111653983. The cubic root of 1116342443 is about 1037.3671206992.

Adding to 1116342443 its reverse (3442436111), we get a palindrome (4558778554).

The spelling of 1116342443 in words is "one billion, one hundred sixteen million, three hundred forty-two thousand, four hundred forty-three".