11575525 has 12 divisors (see below), whose sum is σ = 15458212. Its totient is φ = 8547840.

The previous prime is 11575517. The next prime is 11575567. The reversal of 11575525 is 52557511.

11575525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1803649 + 9771876 = 1343^2 + 3126^2 .

It is not a de Polignac number, because 11575525 - 2³ = 11575517 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 17484 + ... + 18133.

Almost surely, 2^11575525 is an apocalyptic number.

It is an amenable number.

11575525 is a deficient number, since it is larger than the sum of its proper divisors (3882687).

11575525 is a wasteful number, since it uses less digits than its factorization.

11575525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35640 (or 35635 counting only the distinct ones).

The product of its digits is 8750, while the sum is 31.

The square root of 11575525 is about 3402.2823222067. The cubic root of 11575525 is about 226.2109198600.

It can be divided in two parts, 11575 and 525, that added together give a square (12100 = 110²).

The spelling of 11575525 in words is "eleven million, five hundred seventy-five thousand, five hundred twenty-five".