11528065 has 4 divisors (see below), whose sum is σ = 13833684. Its totient is φ = 9222448.

The previous prime is 11528059. The next prime is 11528107. The reversal of 11528065 is 56082511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56082511 = 491 ⋅114221.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 10029889 = 1224^2 + 3167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11528065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152802 + ... + 1152811.

It is an arithmetic number, because the mean of its divisors is an integer number (3458421).

Almost surely, 2^11528065 is an apocalyptic number.

It is an amenable number.

11528065 is a deficient number, since it is larger than the sum of its proper divisors (2305619).

11528065 is an equidigital number, since it uses as much as digits as its factorization.

11528065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305618.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 11528065 is about 3395.3004285335. The cubic root of 11528065 is about 225.9013391896.

The spelling of 11528065 in words is "eleven million, five hundred twenty-eight thousand, sixty-five".