128829521292580 has 24 divisors (see below), whose sum is σ = 282304690137792. Its totient is φ = 49291295103072.

The previous prime is 128829521292553. The next prime is 128829521292611. The reversal of 128829521292580 is 85292125928821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140032087902 + ... + 140032088821.

It is an arithmetic number, because the mean of its divisors is an integer number (11762695422408).

Almost surely, 2^{128829521292580} is an apocalyptic number.

128829521292580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128829521292580 is an abundant number, since it is smaller than the sum of its proper divisors (153475168845212).

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

128829521292580 is a wasteful number, since it uses less digits than its factorization.

128829521292580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280064176755 (or 280064176753 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 64.

The spelling of 128829521292580 in words is "one hundred twenty-eight trillion, eight hundred twenty-nine billion, five hundred twenty-one million, two hundred ninety-two thousand, five hundred eighty".