99111199 has 8 divisors (see below), whose sum is σ = 109193040. Its totient is φ = 89208000.

The previous prime is 99111191. The next prime is 99111217.

99111199 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 99111199 - 2³ = 99111191 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99111191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43494 + ... + 45715.

It is an arithmetic number, because the mean of its divisors is an integer number (13649130).

Almost surely, 2^99111199 is an apocalyptic number.

99111199 is a deficient number, since it is larger than the sum of its proper divisors (10081841).

99111199 is a wasteful number, since it uses less digits than its factorization.

99111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89321.

The product of its digits is 6561, while the sum is 40.

The square root of 99111199 is about 9955.4607628176. The cubic root of 99111199 is about 462.7796394108.

The spelling of 99111199 in words is "ninety-nine million, one hundred eleven thousand, one hundred ninety-nine".