11963645528 has 16 divisors (see below), whose sum is σ = 22433181000. Its totient is φ = 5981463936.

The previous prime is 11963645521. The next prime is 11963645539. The reversal of 11963645528 is 82554636911.

11963645528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11963645521) 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, 143243 + ... + 210821.

Almost surely, 2^11963645528 is an apocalyptic number.

It is an amenable number.

11963645528 is a deficient number, since it is larger than the sum of its proper divisors (10469535472).

11963645528 is a wasteful number, since it uses less digits than its factorization.

11963645528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89714 (or 89710 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 11963645528 in words is "eleven billion, nine hundred sixty-three million, six hundred forty-five thousand, five hundred twenty-eight".