520071755382241 has 4 divisors (see below), whose sum is σ = 521368692428484. Its totient is φ = 518774818336000.

The previous prime is 520071755382229. The next prime is 520071755382301. The reversal of 520071755382241 is 142283557170025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478227093507216 + 41844661875025 = 21868404^2 + 6468745^2 .

It is a cyclic number.

It is not a de Polignac number, because 520071755382241 - 2¹¹ = 520071755380193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520071755382841) 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 in 3 ways as a sum of consecutive naturals, for example, 648468522520 + ... + 648468523321.

It is an arithmetic number, because the mean of its divisors is an integer number (130342173107121).

Almost surely, 2^{520071755382241} is an apocalyptic number.

It is an amenable number.

520071755382241 is a deficient number, since it is larger than the sum of its proper divisors (1296937046243).

520071755382241 is a wasteful number, since it uses less digits than its factorization.

520071755382241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296937046242.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 520071755382241 in words is "five hundred twenty trillion, seventy-one billion, seven hundred fifty-five million, three hundred eighty-two thousand, two hundred forty-one".