128005467205836 has 96 divisors (see below), whose sum is σ = 333785467491840. Its totient is φ = 37842741260800.

The previous prime is 128005467205829. The next prime is 128005467205859. The reversal of 128005467205836 is 638502764500821.

128005467205836 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 336376705 + ... + 336757031.

It is an arithmetic number, because the mean of its divisors is an integer number (3476931953040).

Almost surely, 2^{128005467205836} is an apocalyptic number.

It is an amenable number.

128005467205836 is an abundant number, since it is smaller than the sum of its proper divisors (205780000286004).

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

128005467205836 is a wasteful number, since it uses less digits than its factorization.

128005467205836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442575 (or 442573 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 128005467205836 in words is "one hundred twenty-eight trillion, five billion, four hundred sixty-seven million, two hundred five thousand, eight hundred thirty-six".