11520525 has 12 divisors (see below), whose sum is σ = 19047392. Its totient is φ = 6144240.

The previous prime is 11520473. The next prime is 11520559. The reversal of 11520525 is 52502511.

It is not a de Polignac number, because 11520525 - 2⁶ = 11520461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 76729 + ... + 76878.

Almost surely, 2^11520525 is an apocalyptic number.

11520525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11520525 is a deficient number, since it is larger than the sum of its proper divisors (7526867).

11520525 is a wasteful number, since it uses less digits than its factorization.

11520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153620 (or 153615 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 11520525 is about 3394.1898886185. The cubic root of 11520525 is about 225.8520777399.

The spelling of 11520525 in words is "eleven million, five hundred twenty thousand, five hundred twenty-five".