506505516139 has 16 divisors (see below), whose sum is σ = 587218692096. Its totient is φ = 427885365600.

The previous prime is 506505516133. The next prime is 506505516169. The reversal of 506505516139 is 931615505605.

It is not a de Polignac number, because 506505516139 - 2¹¹ = 506505514091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506505516133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280629 + ... + 1628809.

It is an arithmetic number, because the mean of its divisors is an integer number (36701168256).

Almost surely, 2^506505516139 is an apocalyptic number.

506505516139 is a deficient number, since it is larger than the sum of its proper divisors (80713175957).

506505516139 is a wasteful number, since it uses less digits than its factorization.

506505516139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351186.

The product of its (nonzero) digits is 607500, while the sum is 46.

The spelling of 506505516139 in words is "five hundred six billion, five hundred five million, five hundred sixteen thousand, one hundred thirty-nine".