11710981678 has 16 divisors (see below), whose sum is σ = 19333016496. Its totient is φ = 5276064640.

The previous prime is 11710981661. The next prime is 11710981679. The reversal of 11710981678 is 87618901711.

11710981678 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 (11710981679) 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 7 ways as a sum of consecutive naturals, for example, 2352901 + ... + 2357872.

It is an arithmetic number, because the mean of its divisors is an integer number (1208313531).

Almost surely, 2^11710981678 is an apocalyptic number.

11710981678 is a deficient number, since it is larger than the sum of its proper divisors (7622034818).

11710981678 is a wasteful number, since it uses less digits than its factorization.

11710981678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710899.

The product of its (nonzero) digits is 169344, while the sum is 49.

The spelling of 11710981678 in words is "eleven billion, seven hundred ten million, nine hundred eighty-one thousand, six hundred seventy-eight".