506810717811 has 12 divisors (see below), whose sum is σ = 732108979888. Its totient is φ = 337851171504.

The previous prime is 506810717807. The next prime is 506810717843. The reversal of 506810717811 is 118717018605.

It is a happy number.

506810717811 is a `hidden beast` number, since 506 + 8 + 1 + 0 + 71 + 78 + 1 + 1 = 666.

It is not a de Polignac number, because 506810717811 - 2² = 506810717807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506810717851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1744360 + ... + 2014053.

Almost surely, 2^506810717811 is an apocalyptic number.

506810717811 is a deficient number, since it is larger than the sum of its proper divisors (225298262077).

506810717811 is a wasteful number, since it uses less digits than its factorization.

506810717811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773402 (or 3773399 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 45.

The spelling of 506810717811 in words is "five hundred six billion, eight hundred ten million, seven hundred seventeen thousand, eight hundred eleven".