11525605 has 32 divisors (see below), whose sum is σ = 17305344. Its totient is φ = 7174656.

The previous prime is 11525603. The next prime is 11525617. The reversal of 11525605 is 50652511.

It is a cyclic number.

It is not a de Polignac number, because 11525605 - 2¹ = 11525603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11525605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525603) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33042 + ... + 33388.

It is an arithmetic number, because the mean of its divisors is an integer number (540792).

Almost surely, 2^11525605 is an apocalyptic number.

It is an amenable number.

11525605 is a deficient number, since it is larger than the sum of its proper divisors (5779739).

11525605 is a wasteful number, since it uses less digits than its factorization.

11525605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 11525605 is about 3394.9381437664. The cubic root of 11525605 is about 225.8852695130.

The spelling of 11525605 in words is "eleven million, five hundred twenty-five thousand, six hundred five".