99118911 has 16 divisors (see below), whose sum is σ = 136885248. Its totient is φ = 63756000.

The previous prime is 99118907. The next prime is 99118919. The reversal of 99118911 is 11981199.

It is not a de Polignac number, because 99118911 - 2² = 99118907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99118911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99118919) 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, 5061 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (8555328).

Almost surely, 2^99118911 is an apocalyptic number.

99118911 is a deficient number, since it is larger than the sum of its proper divisors (37766337).

99118911 is a wasteful number, since it uses less digits than its factorization.

99118911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022.

The product of its digits is 5832, while the sum is 39.

The square root of 99118911 is about 9955.8480803998. The cubic root of 99118911 is about 462.7916423060.

The spelling of 99118911 in words is "ninety-nine million, one hundred eighteen thousand, nine hundred eleven".