11811768 has 32 divisors (see below), whose sum is σ = 31084800. Its totient is φ = 3729888.

The previous prime is 11811763. The next prime is 11811797. The reversal of 11811768 is 86711811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12496 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (971400).

Almost surely, 2^11811768 is an apocalyptic number.

It is an amenable number.

11811768 is an abundant number, since it is smaller than the sum of its proper divisors (19273032).

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

11811768 is a wasteful number, since it uses less digits than its factorization.

11811768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25931 (or 25927 counting only the distinct ones).

The product of its digits is 2688, while the sum is 33.

The square root of 11811768 is about 3436.8252792366. The cubic root of 11811768 is about 227.7394684906.

The spelling of 11811768 in words is "eleven million, eight hundred eleven thousand, seven hundred sixty-eight".