128450841522 has 16 divisors (see below), whose sum is σ = 260520017472. Its totient is φ = 42213891440.

The previous prime is 128450841517. The next prime is 128450841551. The reversal of 128450841522 is 225148054821.

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, 150763473 + ... + 150764324.

It is an arithmetic number, because the mean of its divisors is an integer number (16282501092).

Almost surely, 2^128450841522 is an apocalyptic number.

128450841522 is an abundant number, since it is smaller than the sum of its proper divisors (132069175950).

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

128450841522 is a wasteful number, since it uses less digits than its factorization.

128450841522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301527873.

The product of its (nonzero) digits is 204800, while the sum is 42.

The spelling of 128450841522 in words is "one hundred twenty-eight billion, four hundred fifty million, eight hundred forty-one thousand, five hundred twenty-two".