129369502080 has 2048 divisors, whose sum is σ = 608670720000. Its totient is φ = 25751126016.

The previous prime is 129369502063. The next prime is 129369502117. The reversal of 129369502080 is 80205963921.

129369502080 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 69 + 502 + 0 + 80 = 666.

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

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 255 ways as a sum of consecutive naturals, for example, 1772184924 + ... + 1772184996.

It is an arithmetic number, because the mean of its divisors is an integer number (297202500).

Almost surely, 2^129369502080 is an apocalyptic number.

129369502080 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 129369502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304335360000).

129369502080 is an abundant number, since it is smaller than the sum of its proper divisors (479301217920).

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

129369502080 is a wasteful number, since it uses less digits than its factorization.

129369502080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 129369502080 in words is "one hundred twenty-nine billion, three hundred sixty-nine million, five hundred two thousand, eighty".