1116788582 has 32 divisors (see below), whose sum is σ = 2183049792. Its totient is φ = 415816704.

The previous prime is 1116788581. The next prime is 1116788611. The reversal of 1116788582 is 2858876111.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116788581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177383 + ... + 183570.

It is an arithmetic number, because the mean of its divisors is an integer number (68220306).

Almost surely, 2^1116788582 is an apocalyptic number.

1116788582 is a deficient number, since it is larger than the sum of its proper divisors (1066261210).

1116788582 is a wasteful number, since it uses less digits than its factorization.

1116788582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360992.

The product of its digits is 215040, while the sum is 47.

The square root of 1116788582 is about 33418.3868850667. The cubic root of 1116788582 is about 1037.5052946360.

The spelling of 1116788582 in words is "one billion, one hundred sixteen million, seven hundred eighty-eight thousand, five hundred eighty-two".