11528165 has 16 divisors (see below), whose sum is σ = 15171840. Its totient is φ = 8339520.

The previous prime is 11528149. The next prime is 11528173. The reversal of 11528165 is 56182511.

11528165 = 385² + 386² + ... + 450².

It is not a de Polignac number, because 11528165 - 2⁴ = 11528149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 12707 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (948240).

Almost surely, 2^11528165 is an apocalyptic number.

It is an amenable number.

11528165 is a deficient number, since it is larger than the sum of its proper divisors (3643675).

11528165 is a wasteful number, since it uses less digits than its factorization.

11528165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 2400, while the sum is 29.

The square root of 11528165 is about 3395.3151547390. The cubic root of 11528165 is about 225.9019923801.

The spelling of 11528165 in words is "eleven million, five hundred twenty-eight thousand, one hundred sixty-five".