128603799155202 has 192 divisors, whose sum is σ = 315559814307840. Its totient is φ = 34801144560000.

The previous prime is 128603799155191. The next prime is 128603799155203. The reversal of 128603799155202 is 202551997306821.

It is not an unprimeable number, because it can be changed into a prime (128603799155203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59960827 + ... + 62068577.

It is an arithmetic number, because the mean of its divisors is an integer number (1643540699520).

Almost surely, 2^{128603799155202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128603799155202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157779907153920).

128603799155202 is an abundant number, since it is smaller than the sum of its proper divisors (186956015152638).

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

128603799155202 is a wasteful number, since it uses less digits than its factorization.

128603799155202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107957 (or 2107950 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 128603799155202 in words is "one hundred twenty-eight trillion, six hundred three billion, seven hundred ninety-nine million, one hundred fifty-five thousand, two hundred two".