128522445576 has 32 divisors (see below), whose sum is σ = 367206987840. Its totient is φ = 36720698688.

The previous prime is 128522445539. The next prime is 128522445581. The reversal of 128522445576 is 675544225821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382507111 + ... + 382507446.

It is an arithmetic number, because the mean of its divisors is an integer number (11475218370).

Almost surely, 2^128522445576 is an apocalyptic number.

It is an amenable number.

128522445576 is an abundant number, since it is smaller than the sum of its proper divisors (238684542264).

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

128522445576 is a wasteful number, since it uses less digits than its factorization.

128522445576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765014573 (or 765014569 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 51.

The spelling of 128522445576 in words is "one hundred twenty-eight billion, five hundred twenty-two million, four hundred forty-five thousand, five hundred seventy-six".