520351452545 has 64 divisors (see below), whose sum is σ = 668641132800. Its totient is φ = 387637862400.

The previous prime is 520351452521. The next prime is 520351452581. The reversal of 520351452545 is 545254153025.

It is a de Polignac number, because none of the positive numbers 2^k-520351452545 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 934203407 + ... + 934203963.

It is an arithmetic number, because the mean of its divisors is an integer number (10447517700).

Almost surely, 2^520351452545 is an apocalyptic number.

It is an amenable number.

520351452545 is a deficient number, since it is larger than the sum of its proper divisors (148289680255).

520351452545 is a wasteful number, since it uses less digits than its factorization.

520351452545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 520351452545 in words is "five hundred twenty billion, three hundred fifty-one million, four hundred fifty-two thousand, five hundred forty-five".