11128349 has 4 divisors (see below), whose sum is σ = 11487360. Its totient is φ = 10769340.

The previous prime is 11128309. The next prime is 11128361. The reversal of 11128349 is 94382111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94382111 = 1033 ⋅91367.

It is a cyclic number.

It is not a de Polignac number, because 11128349 - 2⁸ = 11128093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128309) 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 3 ways as a sum of consecutive naturals, for example, 179459 + ... + 179520.

It is an arithmetic number, because the mean of its divisors is an integer number (2871840).

Almost surely, 2^11128349 is an apocalyptic number.

It is an amenable number.

11128349 is a deficient number, since it is larger than the sum of its proper divisors (359011).

11128349 is an equidigital number, since it uses as much as digits as its factorization.

11128349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359010.

The product of its digits is 1728, while the sum is 29.

The square root of 11128349 is about 3335.9180145801. The cubic root of 11128349 is about 223.2596531780.

The spelling of 11128349 in words is "eleven million, one hundred twenty-eight thousand, three hundred forty-nine".