128576049845 has 8 divisors (see below), whose sum is σ = 157574052864. Its totient is φ = 100672311184.

The previous prime is 128576049829. The next prime is 128576049857. The reversal of 128576049845 is 548940675821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128576049845 - 2⁴ = 128576049829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273565829 + ... + 273566298.

It is an arithmetic number, because the mean of its divisors is an integer number (19696756608).

Almost surely, 2^128576049845 is an apocalyptic number.

It is an amenable number.

128576049845 is a deficient number, since it is larger than the sum of its proper divisors (28998003019).

128576049845 is an equidigital number, since it uses as much as digits as its factorization.

128576049845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547132179.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 128576049845 in words is "one hundred twenty-eight billion, five hundred seventy-six million, forty-nine thousand, eight hundred forty-five".