11968388512 has 12 divisors (see below), whose sum is σ = 23562764946. Its totient is φ = 5984194240.

The previous prime is 11968388449. The next prime is 11968388513. The reversal of 11968388512 is 21588386911.

11968388512 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 only one way, i.e., 6445520656 + 5522867856 = 80284^2 + 74316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11968388512.

It is not an unprimeable number, because it can be changed into a prime (11968388513) 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 as a sum of consecutive naturals, namely, 187006039 + ... + 187006102.

Almost surely, 2^11968388512 is an apocalyptic number.

It is an amenable number.

11968388512 is a deficient number, since it is larger than the sum of its proper divisors (11594376434).

11968388512 is an equidigital number, since it uses as much as digits as its factorization.

11968388512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374012151 (or 374012143 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The spelling of 11968388512 in words is "eleven billion, nine hundred sixty-eight million, three hundred eighty-eight thousand, five hundred twelve".