128525546248 has 32 divisors (see below), whose sum is σ = 267202897920. Its totient is φ = 57462984000.

The previous prime is 128525546209. The next prime is 128525546249. The reversal of 128525546248 is 842645525821.

It is a junction number, because it is equal to n+sod(n) for n = 128525546195 and 128525546204.

It is not an unprimeable number, because it can be changed into a prime (128525546249) 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, 11966088 + ... + 11976823.

It is an arithmetic number, because the mean of its divisors is an integer number (8350090560).

Almost surely, 2^128525546248 is an apocalyptic number.

It is an amenable number.

128525546248 is an abundant number, since it is smaller than the sum of its proper divisors (138677351672).

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

128525546248 is a wasteful number, since it uses less digits than its factorization.

128525546248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942989 (or 23942985 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 52.

The spelling of 128525546248 in words is "one hundred twenty-eight billion, five hundred twenty-five million, five hundred forty-six thousand, two hundred forty-eight".