128980894996800 has 6048 divisors, whose sum is σ = 638811204894720. Its totient is φ = 24307502284800.

The previous prime is 128980894996787. The next prime is 128980894996823. The reversal of 128980894996800 is 8699498089821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128980894996800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 720563659111 + ... + 720563659289.

Almost surely, 2^{128980894996800} is an apocalyptic number.

128980894996800 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 128980894996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319405602447360).

128980894996800 is an abundant number, since it is smaller than the sum of its proper divisors (509830309897920).

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

128980894996800 is a wasteful number, since it uses less digits than its factorization.

128980894996800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 1289945088, while the sum is 81.

The spelling of 128980894996800 in words is "one hundred twenty-eight trillion, nine hundred eighty billion, eight hundred ninety-four million, nine hundred ninety-six thousand, eight hundred".