15909696000000 has 2548 divisors, whose sum is σ = 67144863034752. Its totient is φ = 3732480000000.

The previous prime is 15909695999959. The next prime is 15909696000017. The reversal of 15909696000000 is 69690951.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15909696000000.

It is a congruent number.

It is an unprimeable number.

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 195 ways as a sum of consecutive naturals, for example, 513215999985 + ... + 513216000015.

Almost surely, 2^{15909696000000} is an apocalyptic number.

15909696000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15909696000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33572431517376).

15909696000000 is an abundant number, since it is smaller than the sum of its proper divisors (51235167034752).

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

15909696000000 is an frugal number, since it uses more digits than its factorization.

15909696000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 15909696000000 in words is "fifteen trillion, nine hundred nine billion, six hundred ninety-six million", and thus it is an aban number.