128915028672000 has 960 divisors, whose sum is σ = 453711015261504. Its totient is φ = 32455065600000.

The previous prime is 128915028671963. The next prime is 128915028672011. The reversal of 128915028672000 is 276820519821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7564983480 + ... + 7565000520.

Almost surely, 2^{128915028672000} is an apocalyptic number.

128915028672000 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 128915028672000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226855507630752).

128915028672000 is an abundant number, since it is smaller than the sum of its proper divisors (324795986589504).

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

128915028672000 is an equidigital number, since it uses as much as digits as its factorization.

128915028672000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17180 (or 17123 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 128915028672000 in words is "one hundred twenty-eight trillion, nine hundred fifteen billion, twenty-eight million, six hundred seventy-two thousand".