13119919681506 has 16 divisors (see below), whose sum is σ = 28625279305248. Its totient is φ = 3975733236800.

The previous prime is 13119919681489. The next prime is 13119919681507. The reversal of 13119919681506 is 60518691991131.

It is a self number, because there is not a number n which added to its sum of digits gives 13119919681506.

It is not an unprimeable number, because it can be changed into a prime (13119919681507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99393330855 + ... + 99393330986.

It is an arithmetic number, because the mean of its divisors is an integer number (1789079956578).

Almost surely, 2^{13119919681506} is an apocalyptic number.

13119919681506 is an abundant number, since it is smaller than the sum of its proper divisors (15505359623742).

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

13119919681506 is a wasteful number, since it uses less digits than its factorization.

13119919681506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198786661857.

The product of its (nonzero) digits is 3149280, while the sum is 60.

The spelling of 13119919681506 in words is "thirteen trillion, one hundred nineteen billion, nine hundred nineteen million, six hundred eighty-one thousand, five hundred six".