128546822532 has 48 divisors (see below), whose sum is σ = 331394378112. Its totient is φ = 38575004160.

The previous prime is 128546822501. The next prime is 128546822567. The reversal of 128546822532 is 235228645821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13693819 + ... + 13703202.

It is an arithmetic number, because the mean of its divisors is an integer number (6904049544).

Almost surely, 2^128546822532 is an apocalyptic number.

128546822532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128546822532 is an abundant number, since it is smaller than the sum of its proper divisors (202847555580).

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

128546822532 is a wasteful number, since it uses less digits than its factorization.

128546822532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27397068 (or 27397066 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

It can be divided in two parts, 12854 and 6822532, that added together give a palindrome (6835386).

The spelling of 128546822532 in words is "one hundred twenty-eight billion, five hundred forty-six million, eight hundred twenty-two thousand, five hundred thirty-two".