128119799808 has 1224 divisors, whose sum is σ = 522136532736. Its totient is φ = 29727129600.

The previous prime is 128119799803. The next prime is 128119799813. The reversal of 128119799808 is 808997911821.

128119799808 is a `hidden beast` number, since 1 + 281 + 197 + 99 + 80 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (128119799803) and next prime (128119799813).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (128119799803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4132896753 + ... + 4132896783.

Almost surely, 2^128119799808 is an apocalyptic number.

128119799808 is a gapful number since it is divisible by the number (18) 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 128119799808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261068266368).

128119799808 is an abundant number, since it is smaller than the sum of its proper divisors (394016732928).

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

128119799808 is a wasteful number, since it uses less digits than its factorization.

128119799808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 63.

The spelling of 128119799808 in words is "one hundred twenty-eight billion, one hundred nineteen million, seven hundred ninety-nine thousand, eight hundred eight".