128005468807824 has 60 divisors (see below), whose sum is σ = 358239989869632. Its totient is φ = 42668196292800.

The previous prime is 128005468807817. The next prime is 128005468807837. The reversal of 128005468807824 is 428708864500821.

128005468807824 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 0 + 5 + 468 + 80 + 78 + 24 = 666.

128005468807824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128005468807824² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18491229 + ... + 24452739.

Almost surely, 2^{128005468807824} is an apocalyptic number.

It is an amenable number.

128005468807824 is an abundant number, since it is smaller than the sum of its proper divisors (230234521061808).

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

128005468807824 is a wasteful number, since it uses less digits than its factorization.

128005468807824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110636 (or 6110627 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 63.

The spelling of 128005468807824 in words is "one hundred twenty-eight trillion, five billion, four hundred sixty-eight million, eight hundred seven thousand, eight hundred twenty-four".