11525575 has 24 divisors (see below), whose sum is σ = 15481152. Its totient is φ = 8478720.

The previous prime is 11525561. The next prime is 11525581. The reversal of 11525575 is 57552511.

It is not a de Polignac number, because 11525575 - 2⁵ = 11525543 is a prime.

It is a super-3 number, since 3×11525575³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19687 + ... + 20263.

It is an arithmetic number, because the mean of its divisors is an integer number (645048).

Almost surely, 2^11525575 is an apocalyptic number.

11525575 is a deficient number, since it is larger than the sum of its proper divisors (3955577).

11525575 is a wasteful number, since it uses less digits than its factorization.

11525575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 646 counting only the distinct ones).

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

The square root of 11525575 is about 3394.9337254209. The cubic root of 11525575 is about 225.8850735272.

It can be divided in two parts, 11525 and 575, that added together give a square (12100 = 110²).

The spelling of 11525575 in words is "eleven million, five hundred twenty-five thousand, five hundred seventy-five".