1116112287 has 4 divisors (see below), whose sum is σ = 1488149720. Its totient is φ = 744074856.

The previous prime is 1116112259. The next prime is 1116112297. The reversal of 1116112287 is 7822116111.

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

It is not a de Polignac number, because 1116112287 - 2⁷ = 1116112159 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 (1116112297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186018712 + ... + 186018717.

It is an arithmetic number, because the mean of its divisors is an integer number (372037430).

Almost surely, 2^1116112287 is an apocalyptic number.

1116112287 is a deficient number, since it is larger than the sum of its proper divisors (372037433).

1116112287 is an equidigital number, since it uses as much as digits as its factorization.

1116112287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372037432.

The product of its digits is 1344, while the sum is 30.

The square root of 1116112287 is about 33408.2667464207. The cubic root of 1116112287 is about 1037.2958245724.

Adding to 1116112287 its reverse (7822116111), we get a palindrome (8938228398).

The spelling of 1116112287 in words is "one billion, one hundred sixteen million, one hundred twelve thousand, two hundred eighty-seven".