11055399 has 4 divisors (see below), whose sum is σ = 14740536. Its totient is φ = 7370264.

The previous prime is 11055391. The next prime is 11055419. The reversal of 11055399 is 99355011.

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 11055399 - 2³ = 11055391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842564 + ... + 1842569.

It is an arithmetic number, because the mean of its divisors is an integer number (3685134).

Almost surely, 2^11055399 is an apocalyptic number.

11055399 is a deficient number, since it is larger than the sum of its proper divisors (3685137).

11055399 is an equidigital number, since it uses as much as digits as its factorization.

11055399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685136.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 11055399 is about 3324.9660148639. The cubic root of 11055399 is about 222.7707363792.

The spelling of 11055399 in words is "eleven million, fifty-five thousand, three hundred ninety-nine".