11605525 has 12 divisors (see below), whose sum is σ = 14533792. Its totient is φ = 9192240.

The previous prime is 11605519. The next prime is 11605549. The reversal of 11605525 is 52550611.

It is not a de Polignac number, because 11605525 - 2⁵ = 11605493 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11605525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322 + ... + 4828.

Almost surely, 2^11605525 is an apocalyptic number.

It is an amenable number.

11605525 is a deficient number, since it is larger than the sum of its proper divisors (2928267).

11605525 is a wasteful number, since it uses less digits than its factorization.

11605525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4615 counting only the distinct ones).

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

The square root of 11605525 is about 3406.6882745564. The cubic root of 11605525 is about 226.4061730161.

The spelling of 11605525 in words is "eleven million, six hundred five thousand, five hundred twenty-five".