1116272111 has 4 divisors (see below), whose sum is σ = 1119217800. Its totient is φ = 1113326424.

The previous prime is 1116272093. The next prime is 1116272117. The reversal of 1116272111 is 1112726111.

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 1116272111 - 2³⁰ = 42530287 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 (1116272117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472276 + ... + 1473033.

It is an arithmetic number, because the mean of its divisors is an integer number (279804450).

Almost surely, 2^1116272111 is an apocalyptic number.

1116272111 is a deficient number, since it is larger than the sum of its proper divisors (2945689).

1116272111 is an equidigital number, since it uses as much as digits as its factorization.

1116272111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945688.

The product of its digits is 168, while the sum is 23.

The square root of 1116272111 is about 33410.6586436125. The cubic root of 1116272111 is about 1037.3453347806.

Adding to 1116272111 its reverse (1112726111), we get a palindrome (2228998222).

The spelling of 1116272111 in words is "one billion, one hundred sixteen million, two hundred seventy-two thousand, one hundred eleven".