525704328585128 has 64 divisors (see below), whose sum is σ = 1241086726753920. Its totient is φ = 202791948768000.

The previous prime is 525704328585103. The next prime is 525704328585151. The reversal of 525704328585128 is 821585823407525.

It is a happy number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4224770051 + ... + 4224894482.

It is an arithmetic number, because the mean of its divisors is an integer number (19391980105530).

Almost surely, 2^{525704328585128} is an apocalyptic number.

It is an amenable number.

525704328585128 is an abundant number, since it is smaller than the sum of its proper divisors (715382398168792).

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

525704328585128 is a wasteful number, since it uses less digits than its factorization.

525704328585128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449664658 (or 8449664654 counting only the distinct ones).

The product of its (nonzero) digits is 215040000, while the sum is 65.

The spelling of 525704328585128 in words is "five hundred twenty-five trillion, seven hundred four billion, three hundred twenty-eight million, five hundred eighty-five thousand, one hundred twenty-eight".