11968013780 has 12 divisors (see below), whose sum is σ = 25132828980. Its totient is φ = 4787205504.

The previous prime is 11968013773. The next prime is 11968013803. The reversal of 11968013780 is 8731086911.

11968013780 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 8574019216 + 3393994564 = 92596^2 + 58258^2 .

It is a congruent number.

It is an unprimeable number.

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, 299200325 + ... + 299200364.

It is an arithmetic number, because the mean of its divisors is an integer number (2094402415).

Almost surely, 2^11968013780 is an apocalyptic number.

11968013780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11968013780 is an abundant number, since it is smaller than the sum of its proper divisors (13164815200).

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

11968013780 is a wasteful number, since it uses less digits than its factorization.

11968013780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598400698 (or 598400696 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 11968013780 in words is "eleven billion, nine hundred sixty-eight million, thirteen thousand, seven hundred eighty".