520959374128 has 20 divisors (see below), whose sum is σ = 1010060262720. Its totient is φ = 260298661184.

The previous prime is 520959374101. The next prime is 520959374129. The reversal of 520959374128 is 821473959025.

It is not an unprimeable number, because it can be changed into a prime (520959374129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11290375 + ... + 11336422.

It is an arithmetic number, because the mean of its divisors is an integer number (50503013136).

Almost surely, 2^520959374128 is an apocalyptic number.

It is an amenable number.

520959374128 is a deficient number, since it is larger than the sum of its proper divisors (489100888592).

520959374128 is a wasteful number, since it uses less digits than its factorization.

520959374128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628244 (or 22628238 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 520959374128 in words is "five hundred twenty billion, nine hundred fifty-nine million, three hundred seventy-four thousand, one hundred twenty-eight".