1116000000 has 378 divisors, whose sum is σ = 4151821856. Its totient is φ = 288000000.

The previous prime is 1115999987. The next prime is 1116000001. The reversal of 1116000000 is 6111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116000001) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 35999985 + ... + 36000015.

Almost surely, 2^1116000000 is an apocalyptic number.

1116000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075910928).

1116000000 is an abundant number, since it is smaller than the sum of its proper divisors (3035821856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116000000 is an frugal number, since it uses more digits than its factorization.

1116000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1116000000 is about 33406.5861769801. The cubic root of 1116000000 is about 1037.2610375282.

Adding to 1116000000 its reverse (6111), we get a palindrome (1116006111).

The spelling of 1116000000 in words is "one billion, one hundred sixteen million", and thus it is an aban number.