512755137729 has 8 divisors (see below), whose sum is σ = 759637241120. Its totient is φ = 341836758468.

The previous prime is 512755137679. The next prime is 512755137761. The reversal of 512755137729 is 927731557215.

512755137729 is a `hidden beast` number, since 5 + 12 + 7 + 551 + 3 + 7 + 72 + 9 = 666.

It is not a de Polignac number, because 512755137729 - 2¹¹ = 512755135681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512755137799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9495465487 + ... + 9495465540.

It is an arithmetic number, because the mean of its divisors is an integer number (94954655140).

Almost surely, 2^512755137729 is an apocalyptic number.

It is an amenable number.

512755137729 is a deficient number, since it is larger than the sum of its proper divisors (246882103391).

512755137729 is a wasteful number, since it uses less digits than its factorization.

512755137729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18990931036 (or 18990931030 counting only the distinct ones).

The product of its digits is 4630500, while the sum is 54.

The spelling of 512755137729 in words is "five hundred twelve billion, seven hundred fifty-five million, one hundred thirty-seven thousand, seven hundred twenty-nine".