199811113 has 8 divisors (see below), whose sum is σ = 203793408. Its totient is φ = 195836784.

The previous prime is 199811107. The next prime is 199811119. The reversal of 199811113 is 311118991.

It is an interprime number because it is at equal distance from previous prime (199811107) and next prime (199811119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199811113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199811119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87006 + ... + 89272.

It is an arithmetic number, because the mean of its divisors is an integer number (25474176).

Almost surely, 2^199811113 is an apocalyptic number.

It is an amenable number.

199811113 is a deficient number, since it is larger than the sum of its proper divisors (3982295).

199811113 is a wasteful number, since it uses less digits than its factorization.

199811113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its digits is 1944, while the sum is 34.

The square root of 199811113 is about 14135.4558822841. The cubic root of 199811113 is about 584.6193866749.

The spelling of 199811113 in words is "one hundred ninety-nine million, eight hundred eleven thousand, one hundred thirteen".