1116266805 has 32 divisors (see below), whose sum is σ = 1989801600. Its totient is φ = 593744256.

The previous prime is 1116266773. The next prime is 1116266807. The reversal of 1116266805 is 5086626111.

It is not a de Polignac number, because 1116266805 - 2⁵ = 1116266773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1116266805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116266807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40257 + ... + 62073.

It is an arithmetic number, because the mean of its divisors is an integer number (62181300).

Almost surely, 2^1116266805 is an apocalyptic number.

1116266805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1116266805 is a deficient number, since it is larger than the sum of its proper divisors (873534795).

1116266805 is a wasteful number, since it uses less digits than its factorization.

1116266805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210 (or 22204 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1116266805 is about 33410.5792377205. The cubic root of 1116266805 is about 1037.3436911661.

The spelling of 1116266805 in words is "one billion, one hundred sixteen million, two hundred sixty-six thousand, eight hundred five".