11405099 has 2 divisors, whose sum is σ = 11405100. Its totient is φ = 11405098.

The previous prime is 11405081. The next prime is 11405101. The reversal of 11405099 is 99050411.

11405099 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (99050411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11405099 - 2¹⁶ = 11339563 is a prime.

It is a Sophie Germain prime.

Together with 11405101, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₅₁₄₄₈ and since 11405099 and 751448 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11405029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702549 + 5702550.

It is an arithmetic number, because the mean of its divisors is an integer number (5702550).

Almost surely, 2^11405099 is an apocalyptic number.

11405099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11405099 is an equidigital number, since it uses as much as digits as its factorization.

11405099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11405099 is about 3377.1436155426. The cubic root of 11405099 is about 225.0952617195.

The spelling of 11405099 in words is "eleven million, four hundred five thousand, ninety-nine".