520555044152005 has 4 divisors (see below), whose sum is σ = 624666052982412. Its totient is φ = 416444035321600.

The previous prime is 520555044151993. The next prime is 520555044152051. The reversal of 520555044152005 is 500251440555025.

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 90264782605284 + 430290261546721 = 9500778^2 + 20743439^2 .

It is not a de Polignac number, because 520555044152005 - 2²³ = 520555035763397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52055504415196 + ... + 52055504415205.

It is an arithmetic number, because the mean of its divisors is an integer number (156166513245603).

Almost surely, 2^{520555044152005} is an apocalyptic number.

It is an amenable number.

520555044152005 is a deficient number, since it is larger than the sum of its proper divisors (104111008830407).

520555044152005 is a wasteful number, since it uses less digits than its factorization.

520555044152005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104111008830406.

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 520555044152005 in words is "five hundred twenty trillion, five hundred fifty-five billion, forty-four million, one hundred fifty-two thousand, five".