128936885588544 has 224 divisors, whose sum is σ = 400866639667200. Its totient is φ = 36167428915200.

The previous prime is 128936885588491. The next prime is 128936885588587. The reversal of 128936885588544 is 445885588639821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41305969 + ... + 44317680.

It is an arithmetic number, because the mean of its divisors is an integer number (1789583212800).

Almost surely, 2^{128936885588544} is an apocalyptic number.

It is an amenable number.

128936885588544 is an abundant number, since it is smaller than the sum of its proper divisors (271929754078656).

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

128936885588544 is a wasteful number, since it uses less digits than its factorization.

128936885588544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85623729 (or 85623719 counting only the distinct ones).

The product of its digits is 21233664000, while the sum is 84.

The spelling of 128936885588544 in words is "one hundred twenty-eight trillion, nine hundred thirty-six billion, eight hundred eighty-five million, five hundred eighty-eight thousand, five hundred forty-four".