1116996909 has 64 divisors (see below), whose sum is σ = 1902182400. Its totient is φ = 568320192.

The previous prime is 1116996901. The next prime is 1116996919. The reversal of 1116996909 is 9096996111.

It is not a de Polignac number, because 1116996909 - 2³ = 1116996901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116996901) 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 63 ways as a sum of consecutive naturals, for example, 540412 + ... + 542474.

It is an arithmetic number, because the mean of its divisors is an integer number (29721600).

Almost surely, 2^1116996909 is an apocalyptic number.

1116996909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1116996909 is a deficient number, since it is larger than the sum of its proper divisors (785185491).

1116996909 is a wasteful number, since it uses less digits than its factorization.

1116996909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 236196, while the sum is 51.

The square root of 1116996909 is about 33421.5036914858. The cubic root of 1116996909 is about 1037.5698030937.

The spelling of 1116996909 in words is "one billion, one hundred sixteen million, nine hundred ninety-six thousand, nine hundred nine".