520988716603 has 2 divisors, whose sum is σ = 520988716604. Its totient is φ = 520988716602.

The previous prime is 520988716597. The next prime is 520988716627. The reversal of 520988716603 is 306617889025.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520988716603 is a prime.

It is not a weakly prime, because it can be changed into another prime (520988716663) by changing a digit.

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 as a sum of consecutive naturals, namely, 260494358301 + 260494358302.

It is an arithmetic number, because the mean of its divisors is an integer number (260494358302).

Almost surely, 2^520988716603 is an apocalyptic number.

520988716603 is a deficient number, since it is larger than the sum of its proper divisors (1).

520988716603 is an equidigital number, since it uses as much as digits as its factorization.

520988716603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 520988716603 in words is "five hundred twenty billion, nine hundred eighty-eight million, seven hundred sixteen thousand, six hundred three".