520872003572 has 6 divisors (see below), whose sum is σ = 911526006258. Its totient is φ = 260436001784.

The previous prime is 520872003551. The next prime is 520872003583. The reversal of 520872003572 is 275300278025.

It can be written as a sum of positive squares in only one way, i.e., 388669952356 + 132202051216 = 623434^2 + 363596^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 65109000443 + ... + 65109000450.

It is an arithmetic number, because the mean of its divisors is an integer number (151921001043).

Almost surely, 2^520872003572 is an apocalyptic number.

It is an amenable number.

520872003572 is a deficient number, since it is larger than the sum of its proper divisors (390654002686).

520872003572 is a wasteful number, since it uses less digits than its factorization.

520872003572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130218000897 (or 130218000895 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 520872003572 in words is "five hundred twenty billion, eight hundred seventy-two million, three thousand, five hundred seventy-two".