128200699536 has 160 divisors (see below), whose sum is σ = 407845229568. Its totient is φ = 33791869440.

The previous prime is 128200699499. The next prime is 128200699597. The reversal of 128200699536 is 635996002821.

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, 8671831 + ... + 8686601.

Almost surely, 2^128200699536 is an apocalyptic number.

128200699536 is a gapful number since it is divisible by the number (16) 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 128200699536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203922614784).

128200699536 is an abundant number, since it is smaller than the sum of its proper divisors (279644530032).

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

128200699536 is a wasteful number, since it uses less digits than its factorization.

128200699536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16789 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 128200699536 in words is "one hundred twenty-eight billion, two hundred million, six hundred ninety-nine thousand, five hundred thirty-six".