13151566899968 has 144 divisors (see below), whose sum is σ = 30163365395520. Its totient is φ = 5606154436608.

The previous prime is 13151566899929. The next prime is 13151566899971. The reversal of 13151566899968 is 86999866515131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251106488 + ... + 251158856.

Almost surely, 2^{13151566899968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13151566899968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15081682697760).

13151566899968 is an abundant number, since it is smaller than the sum of its proper divisors (17011798495552).

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

13151566899968 is an equidigital number, since it uses as much as digits as its factorization.

13151566899968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53142 (or 53128 counting only the distinct ones).

The product of its digits is 755827200, while the sum is 77.

The spelling of 13151566899968 in words is "thirteen trillion, one hundred fifty-one billion, five hundred sixty-six million, eight hundred ninety-nine thousand, nine hundred sixty-eight".