11775568 has 40 divisors (see below), whose sum is σ = 26641152. Its totient is φ = 4937088.

The previous prime is 11775541. The next prime is 11775571. The reversal of 11775568 is 86557711.

11775568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11775568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146 + ... + 6382.

Almost surely, 2^11775568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11775568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13320576).

11775568 is an abundant number, since it is smaller than the sum of its proper divisors (14865584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11775568 is a wasteful number, since it uses less digits than its factorization.

11775568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2293 counting only the distinct ones).

The product of its digits is 58800, while the sum is 40.

The square root of 11775568 is about 3431.5547496725. The cubic root of 11775568 is about 227.5065763103.

The spelling of 11775568 in words is "eleven million, seven hundred seventy-five thousand, five hundred sixty-eight".