159909120000 has 960 divisors, whose sum is σ = 677505628800. Its totient is φ = 36495360000.

The previous prime is 159909119989. The next prime is 159909120031. The reversal of 159909120000 is 21909951.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 241919670 + ... + 241920330.

It is an arithmetic number, because the mean of its divisors is an integer number (705735030).

Almost surely, 2^159909120000 is an apocalyptic number.

159909120000 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 159909120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338752814400).

159909120000 is an abundant number, since it is smaller than the sum of its proper divisors (517596508800).

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

159909120000 is an frugal number, since it uses more digits than its factorization.

159909120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 159909120000 in words is "one hundred fifty-nine billion, nine hundred nine million, one hundred twenty thousand".