11128199 has 8 divisors (see below), whose sum is σ = 11550000. Its totient is φ = 10708992.

The previous prime is 11128147. The next prime is 11128207. The reversal of 11128199 is 99182111.

11128199 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11128199 - 2¹⁶ = 11062663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14087 + ... + 14855.

It is an arithmetic number, because the mean of its divisors is an integer number (1443750).

Almost surely, 2^11128199 is an apocalyptic number.

11128199 is a deficient number, since it is larger than the sum of its proper divisors (421801).

11128199 is an equidigital number, since it uses as much as digits as its factorization.

11128199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 1296, while the sum is 32.

The square root of 11128199 is about 3335.8955319374. The cubic root of 11128199 is about 223.2586500613.

The spelling of 11128199 in words is "eleven million, one hundred twenty-eight thousand, one hundred ninety-nine".