1116279111 has 8 divisors (see below), whose sum is σ = 1509335424. Its totient is φ = 733704440.

The previous prime is 1116279071. The next prime is 1116279119. The reversal of 1116279111 is 1119726111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116279111 - 2¹⁰ = 1116278087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116279119) 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 7 ways as a sum of consecutive naturals, for example, 2620161 + ... + 2620586.

It is an arithmetic number, because the mean of its divisors is an integer number (188666928).

Almost surely, 2^1116279111 is an apocalyptic number.

1116279111 is a deficient number, since it is larger than the sum of its proper divisors (393056313).

1116279111 is an equidigital number, since it uses as much as digits as its factorization.

1116279111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240821.

The product of its digits is 756, while the sum is 30.

The square root of 1116279111 is about 33410.7634004373. The cubic root of 1116279111 is about 1037.3475031295.

The spelling of 1116279111 in words is "one billion, one hundred sixteen million, two hundred seventy-nine thousand, one hundred eleven".