11409599 has 2 divisors, whose sum is σ = 11409600. Its totient is φ = 11409598.

The previous prime is 11409589. The next prime is 11409611. The reversal of 11409599 is 99590411.

It is a weak prime.

It is an emirp because it is prime and its reverse (99590411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11409599 - 2⁴ = 11409583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11409509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704799 + 5704800.

It is an arithmetic number, because the mean of its divisors is an integer number (5704800).

Almost surely, 2^11409599 is an apocalyptic number.

11409599 is a deficient number, since it is larger than the sum of its proper divisors (1).

11409599 is an equidigital number, since it uses as much as digits as its factorization.

11409599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 11409599 is about 3377.8097933424. The cubic root of 11409599 is about 225.1248623828.

The spelling of 11409599 in words is "eleven million, four hundred nine thousand, five hundred ninety-nine".