506051085577 has 4 divisors (see below), whose sum is σ = 522375314176. Its totient is φ = 489726856980.

The previous prime is 506051085569. The next prime is 506051085647. The reversal of 506051085577 is 775580150605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506051085577 - 2³ = 506051085569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506051085577.

It is not an unprimeable number, because it can be changed into a prime (506051085677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8162114253 + ... + 8162114314.

It is an arithmetic number, because the mean of its divisors is an integer number (130593828544).

Almost surely, 2^506051085577 is an apocalyptic number.

It is an amenable number.

506051085577 is a deficient number, since it is larger than the sum of its proper divisors (16324228599).

506051085577 is a wasteful number, since it uses less digits than its factorization.

506051085577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16324228598.

The product of its (nonzero) digits is 1470000, while the sum is 49.

The spelling of 506051085577 in words is "five hundred six billion, fifty-one million, eighty-five thousand, five hundred seventy-seven".