520134041721306 has 16 divisors (see below), whose sum is σ = 1042739029014048. Its totient is φ = 172966189645200.

The previous prime is 520134041721299. The next prime is 520134041721379. The reversal of 520134041721306 is 603127140431025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102956062740 + ... + 102956067791.

It is an arithmetic number, because the mean of its divisors is an integer number (65171189313378).

Almost surely, 2^{520134041721306} is an apocalyptic number.

520134041721306 is an abundant number, since it is smaller than the sum of its proper divisors (522604987292742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520134041721306 is a wasteful number, since it uses less digits than its factorization.

520134041721306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205912130957.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 520134041721306 in words is "five hundred twenty trillion, one hundred thirty-four billion, forty-one million, seven hundred twenty-one thousand, three hundred six".