520734117132245 has 8 divisors (see below), whose sum is σ = 624881455443000. Its totient is φ = 416586950449600.

The previous prime is 520734117132233. The next prime is 520734117132259. The reversal of 520734117132245 is 542231711437025.

It can be written as a sum of positive squares in 4 ways, for example, as 11989446406084 + 508744670726161 = 3462578^2 + 22555369^2 .

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

It is not a de Polignac number, because 520734117132245 - 2⁸ = 520734117131989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520734117132245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36134870 + ... + 48447879.

It is an arithmetic number, because the mean of its divisors is an integer number (78110181930375).

Almost surely, 2^{520734117132245} is an apocalyptic number.

It is an amenable number.

520734117132245 is a deficient number, since it is larger than the sum of its proper divisors (104147338310755).

520734117132245 is a wasteful number, since it uses less digits than its factorization.

520734117132245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85814055.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 520734117132245 in words is "five hundred twenty trillion, seven hundred thirty-four billion, one hundred seventeen million, one hundred thirty-two thousand, two hundred forty-five".