129006159433280 has 112 divisors (see below), whose sum is σ = 318824029782720. Its totient is φ = 49660777248768.

The previous prime is 129006159433171. The next prime is 129006159433303. The reversal of 129006159433280 is 82334951600921.

It is a happy number.

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, 19791962 + ... + 25489881.

It is an arithmetic number, because the mean of its divisors is an integer number (2846643123060).

Almost surely, 2^{129006159433280} is an apocalyptic number.

129006159433280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129006159433280 is an abundant number, since it is smaller than the sum of its proper divisors (189817870349440).

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

129006159433280 is a wasteful number, since it uses less digits than its factorization.

129006159433280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45282196 (or 45282186 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 129006159433280 in words is "one hundred twenty-nine trillion, six billion, one hundred fifty-nine million, four hundred thirty-three thousand, two hundred eighty".