1116112280 has 32 divisors (see below), whose sum is σ = 2512263600. Its totient is φ = 446265216.

The previous prime is 1116112259. The next prime is 1116112297. The reversal of 1116112280 is 822116111.

It is a congruent number.

It is an unprimeable number.

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, 144599 + ... + 152121.

Almost surely, 2^1116112280 is an apocalyptic number.

1116112280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116112280 is an abundant number, since it is smaller than the sum of its proper divisors (1396151320).

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

1116112280 is a wasteful number, since it uses less digits than its factorization.

1116112280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243 (or 11239 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 1116112280 is about 33408.2666416562. The cubic root of 1116112280 is about 1037.2958224038.

Adding to 1116112280 its reverse (822116111), we get a palindrome (1938228391).

The spelling of 1116112280 in words is "one billion, one hundred sixteen million, one hundred twelve thousand, two hundred eighty".