11648789968 has 20 divisors (see below), whose sum is σ = 22734275940. Its totient is φ = 5781880064.

The previous prime is 11648789959. The next prime is 11648789969. The reversal of 11648789968 is 86998784611.

11648789968 is digitally balanced in base 2, 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 2 ways, for example, as 7325990464 + 4322799504 = 85592^2 + 65748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648789969) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2654923 + ... + 2659306.

It is an arithmetic number, because the mean of its divisors is an integer number (1136713797).

Almost surely, 2^11648789968 is an apocalyptic number.

It is an amenable number.

11648789968 is a deficient number, since it is larger than the sum of its proper divisors (11085485972).

11648789968 is a wasteful number, since it uses less digits than its factorization.

11648789968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314374 (or 5314368 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 67.

The spelling of 11648789968 in words is "eleven billion, six hundred forty-eight million, seven hundred eighty-nine thousand, nine hundred sixty-eight".