528378054065 has 16 divisors (see below), whose sum is σ = 638397401616. Its totient is φ = 419811820800.

The previous prime is 528378054059. The next prime is 528378054131. The reversal of 528378054065 is 560450873825.

It can be written as a sum of positive squares in 8 ways, for example, as 9677050384 + 518701003681 = 98372^2 + 720209^2 .

It is not a de Polignac number, because 528378054065 - 2⁴ = 528378054049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528378053998 and 528378054016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489395 + ... + 1138535.

It is an arithmetic number, because the mean of its divisors is an integer number (39899837601).

Almost surely, 2^528378054065 is an apocalyptic number.

It is an amenable number.

528378054065 is a deficient number, since it is larger than the sum of its proper divisors (110019347551).

528378054065 is a wasteful number, since it uses less digits than its factorization.

528378054065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650260.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 528378054065 in words is "five hundred twenty-eight billion, three hundred seventy-eight million, fifty-four thousand, sixty-five".