520133544445 has 8 divisors (see below), whose sum is σ = 624190372920. Its totient is φ = 416086755840.

The previous prime is 520133544397. The next prime is 520133544449. The reversal of 520133544445 is 544445331025.

It can be written as a sum of positive squares in 4 ways, for example, as 40567599396 + 479565945049 = 201414^2 + 692507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520133544445 - 2⁷ = 520133544317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520133544398 and 520133544407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520133544449) 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 7 ways as a sum of consecutive naturals, for example, 2395516 + ... + 2603605.

It is an arithmetic number, because the mean of its divisors is an integer number (78023796615).

Almost surely, 2^520133544445 is an apocalyptic number.

It is an amenable number.

520133544445 is a deficient number, since it is larger than the sum of its proper divisors (104056828475).

520133544445 is a wasteful number, since it uses less digits than its factorization.

520133544445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019935.

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 520133544445 in words is "five hundred twenty billion, one hundred thirty-three million, five hundred forty-four thousand, four hundred forty-five".