1116138899 has 4 divisors (see below), whose sum is σ = 1134436320. Its totient is φ = 1097841480.

The previous prime is 1116138889. The next prime is 1116138913. The reversal of 1116138899 is 9988316111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116138899 - 2⁸ = 1116138643 is a prime.

It is a super-3 number, since 3×1116138899³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116138889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9148619 + ... + 9148740.

It is an arithmetic number, because the mean of its divisors is an integer number (283609080).

Almost surely, 2^1116138899 is an apocalyptic number.

1116138899 is a deficient number, since it is larger than the sum of its proper divisors (18297421).

1116138899 is an equidigital number, since it uses as much as digits as its factorization.

1116138899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297420.

The product of its digits is 93312, while the sum is 47.

The square root of 1116138899 is about 33408.6650287018. The cubic root of 1116138899 is about 1037.3040687540.

The spelling of 1116138899 in words is "one billion, one hundred sixteen million, one hundred thirty-eight thousand, eight hundred ninety-nine".