128302575355380 has 96 divisors (see below), whose sum is σ = 359946808300800. Its totient is φ = 34147423498240.

The previous prime is 128302575355363. The next prime is 128302575355403. The reversal of 128302575355380 is 83553575203821.

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 128302575355380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129501490 + ... + 130488470.

It is an arithmetic number, because the mean of its divisors is an integer number (3749445919800).

Almost surely, 2^{128302575355380} is an apocalyptic number.

128302575355380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128302575355380 is an abundant number, since it is smaller than the sum of its proper divisors (231644232945420).

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

128302575355380 is a wasteful number, since it uses less digits than its factorization.

128302575355380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991209 (or 991207 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 57.

The spelling of 128302575355380 in words is "one hundred twenty-eight trillion, three hundred two billion, five hundred seventy-five million, three hundred fifty-five thousand, three hundred eighty".