11525572 has 12 divisors (see below), whose sum is σ = 20454336. Its totient is φ = 5681480.

The previous prime is 11525561. The next prime is 11525581. The reversal of 11525572 is 27552511.

It is a self number, because there is not a number n which added to its sum of digits gives 11525572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20008 + ... + 20575.

It is an arithmetic number, because the mean of its divisors is an integer number (1704528).

Almost surely, 2^11525572 is an apocalyptic number.

It is an amenable number.

11525572 is a deficient number, since it is larger than the sum of its proper divisors (8928764).

11525572 is a wasteful number, since it uses less digits than its factorization.

11525572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40658 (or 40656 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 11525572 is about 3394.9332835860. The cubic root of 11525572 is about 225.8850539286.

It can be divided in two parts, 1152 and 5572, that added together give a square (6724 = 82²).

The spelling of 11525572 in words is "eleven million, five hundred twenty-five thousand, five hundred seventy-two".