199689505113 has 16 divisors (see below), whose sum is σ = 307301533056. Its totient is φ = 112978502400.

The previous prime is 199689505061. The next prime is 199689505117. The reversal of 199689505113 is 311505986991.

It is not a de Polignac number, because 199689505113 - 2⁹ = 199689504601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199689505117) 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, 47072256 + ... + 47076497.

It is an arithmetic number, because the mean of its divisors is an integer number (19206345816).

Almost surely, 2^199689505113 is an apocalyptic number.

It is an amenable number.

199689505113 is a deficient number, since it is larger than the sum of its proper divisors (107612027943).

199689505113 is a wasteful number, since it uses less digits than its factorization.

199689505113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94148864.

The product of its (nonzero) digits is 2624400, while the sum is 57.

The spelling of 199689505113 in words is "one hundred ninety-nine billion, six hundred eighty-nine million, five hundred five thousand, one hundred thirteen".