128950527632 has 40 divisors (see below), whose sum is σ = 253436532000. Its totient is φ = 63548755200.

The previous prime is 128950527631. The next prime is 128950527649. The reversal of 128950527632 is 236725059821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128950527631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714007 + ... + 1787657.

It is an arithmetic number, because the mean of its divisors is an integer number (6335913300).

Almost surely, 2^128950527632 is an apocalyptic number.

It is an amenable number.

128950527632 is a deficient number, since it is larger than the sum of its proper divisors (124486004368).

128950527632 is a wasteful number, since it uses less digits than its factorization.

128950527632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75231 (or 75225 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 128950527632 in words is "one hundred twenty-eight billion, nine hundred fifty million, five hundred twenty-seven thousand, six hundred thirty-two".