11128115 has 16 divisors (see below), whose sum is σ = 14307840. Its totient is φ = 8279040.

The previous prime is 11128111. The next prime is 11128133. The reversal of 11128115 is 51182111.

It is not a de Polignac number, because 11128115 - 2² = 11128111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11128111) 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 15 ways as a sum of consecutive naturals, for example, 6830 + ... + 8300.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 2^11128115 is an apocalyptic number.

11128115 is a deficient number, since it is larger than the sum of its proper divisors (3179725).

11128115 is a wasteful number, since it uses less digits than its factorization.

11128115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its digits is 80, while the sum is 20.

The square root of 11128115 is about 3335.8829415913. The cubic root of 11128115 is about 223.2580883120.

The spelling of 11128115 in words is "eleven million, one hundred twenty-eight thousand, one hundred fifteen".