128142412105584 has 20 divisors (see below), whose sum is σ = 331034564606216. Its totient is φ = 42714137368512.

The previous prime is 128142412105537. The next prime is 128142412105627. The reversal of 128142412105584 is 485501214241821.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2669633585533 = 128142412105584 / (1 + 2 + 8 + 1 + 4 + 2 + 4 + 1 + 2 + 1 + 0 + 5 + 5 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334816792719 + ... + 1334816792814.

Almost surely, 2^{128142412105584} is an apocalyptic number.

It is an amenable number.

128142412105584 is an abundant number, since it is smaller than the sum of its proper divisors (202892152500632).

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

128142412105584 is a wasteful number, since it uses less digits than its factorization.

128142412105584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669633585544 (or 2669633585538 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 48.

The spelling of 128142412105584 in words is "one hundred twenty-eight trillion, one hundred forty-two billion, four hundred twelve million, one hundred five thousand, five hundred eighty-four".