11748686343691 has 16 divisors (see below), whose sum is σ = 13167888680160. Its totient is φ = 10388215284480.

The previous prime is 11748686343689. The next prime is 11748686343707. The reversal of 11748686343691 is 19634368684711.

It is not a de Polignac number, because 11748686343691 - 2¹ = 11748686343689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11748686343631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4067196 + ... + 6327673.

It is an arithmetic number, because the mean of its divisors is an integer number (822993042510).

Almost surely, 2^{11748686343691} is an apocalyptic number.

11748686343691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11748686343691 is a deficient number, since it is larger than the sum of its proper divisors (1419202336469).

11748686343691 is a wasteful number, since it uses less digits than its factorization.

11748686343691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397694.

The product of its digits is 125411328, while the sum is 67.

The spelling of 11748686343691 in words is "eleven trillion, seven hundred forty-eight billion, six hundred eighty-six million, three hundred forty-three thousand, six hundred ninety-one".