13119919681566 has 8 divisors (see below), whose sum is σ = 26239839363144. Its totient is φ = 4373306560520.

The previous prime is 13119919681559. The next prime is 13119919681571. The reversal of 13119919681566 is 66518691991131.

It is a sphenic number, since it is the product of 3 distinct primes.

13119919681566 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13119919681497 and 13119919681506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093326640125 + ... + 1093326640136.

It is an arithmetic number, because the mean of its divisors is an integer number (3279979920393).

Almost surely, 2^{13119919681566} is an apocalyptic number.

13119919681566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13119919681566 is a wasteful number, since it uses less digits than its factorization.

13119919681566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186653280266.

The product of its digits is 18895680, while the sum is 66.

The spelling of 13119919681566 in words is "thirteen trillion, one hundred nineteen billion, nine hundred nineteen million, six hundred eighty-one thousand, five hundred sixty-six".