129159916480 has 224 divisors, whose sum is σ = 358312102272. Its totient is φ = 43429478400.

The previous prime is 129159916471. The next prime is 129159916597. The reversal of 129159916480 is 84619951921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54244890 + ... + 54247270.

Almost surely, 2^129159916480 is an apocalyptic number.

129159916480 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 129159916480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179156051136).

129159916480 is an abundant number, since it is smaller than the sum of its proper divisors (229152185792).

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

129159916480 is a wasteful number, since it uses less digits than its factorization.

129159916480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 129159916480 in words is "one hundred twenty-nine billion, one hundred fifty-nine million, nine hundred sixteen thousand, four hundred eighty".