128747157396480 has 1056 divisors, whose sum is σ = 518566555852800. Its totient is φ = 28927225626624.

The previous prime is 128747157396469. The next prime is 128747157396503. The reversal of 128747157396480 is 84693751747821.

It is a happy number.

128747157396480 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 4 + 7 + 1 + 57 + 3 + 96 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 128747157396399 and 128747157396408.

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, 5835421929 + ... + 5835443991.

It is a 1-persistent number, because it is pandigital, but 2⋅128747157396480 = 257494314792960 is not.

Almost surely, 2^{128747157396480} is an apocalyptic number.

128747157396480 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 128747157396480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259283277926400).

128747157396480 is an abundant number, since it is smaller than the sum of its proper divisors (389819398456320).

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

128747157396480 is a wasteful number, since it uses less digits than its factorization.

128747157396480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22409 (or 22388 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 72.

The spelling of 128747157396480 in words is "one hundred twenty-eight trillion, seven hundred forty-seven billion, one hundred fifty-seven million, three hundred ninety-six thousand, four hundred eighty".