99108911 has 4 divisors (see below), whose sum is σ = 108118824. Its totient is φ = 90099000.

The previous prime is 99108847. The next prime is 99108913. The reversal of 99108911 is 11980199.

It is a happy number.

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 99108911 - 2⁶ = 99108847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99108913) 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 3 ways as a sum of consecutive naturals, for example, 4504940 + ... + 4504961.

It is an arithmetic number, because the mean of its divisors is an integer number (27029706).

Almost surely, 2^99108911 is an apocalyptic number.

99108911 is a deficient number, since it is larger than the sum of its proper divisors (9009913).

99108911 is a wasteful number, since it uses less digits than its factorization.

99108911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009912.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 99108911 is about 9955.3458503459. The cubic root of 99108911 is about 462.7760782661.

The spelling of 99108911 in words is "ninety-nine million, one hundred eight thousand, nine hundred eleven".