128002750825780 has 48 divisors (see below), whose sum is σ = 277516427521536. Its totient is φ = 49542398951040.

The previous prime is 128002750825757. The next prime is 128002750825783. The reversal of 128002750825780 is 87528057200821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128002750825783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10333459 + ... + 19046938.

It is an arithmetic number, because the mean of its divisors is an integer number (5781592240032).

Almost surely, 2^{128002750825780} is an apocalyptic number.

128002750825780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128002750825780 is an abundant number, since it is smaller than the sum of its proper divisors (149513676695756).

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

128002750825780 is a wasteful number, since it uses less digits than its factorization.

128002750825780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29387464 (or 29387462 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 55.

The spelling of 128002750825780 in words is "one hundred twenty-eight trillion, two billion, seven hundred fifty million, eight hundred twenty-five thousand, seven hundred eighty".