11005399 has 2 divisors, whose sum is σ = 11005400. Its totient is φ = 11005398.

The previous prime is 11005387. The next prime is 11005433. The reversal of 11005399 is 99350011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11005399 - 2⁵ = 11005367 is a prime.

It is a super-2 number, since 2×11005399² = 242237614298402, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11005349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502699 + 5502700.

It is an arithmetic number, because the mean of its divisors is an integer number (5502700).

Almost surely, 2^11005399 is an apocalyptic number.

11005399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005399 is an equidigital number, since it uses as much as digits as its factorization.

11005399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 11005399 is about 3317.4386203817. The cubic root of 11005399 is about 222.4343887678.

The spelling of 11005399 in words is "eleven million, five thousand, three hundred ninety-nine".