512541712921 has 8 divisors (see below), whose sum is σ = 596814070464. Its totient is φ = 431032383600.

The previous prime is 512541712909. The next prime is 512541712927. The reversal of 512541712921 is 129217145215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512541712921 - 2²³ = 512533324313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512541712927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690756655 + ... + 690757396.

It is an arithmetic number, because the mean of its divisors is an integer number (74601758808).

Almost surely, 2^512541712921 is an apocalyptic number.

It is an amenable number.

512541712921 is a deficient number, since it is larger than the sum of its proper divisors (84272357543).

512541712921 is a wasteful number, since it uses less digits than its factorization.

512541712921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381514111.

The product of its digits is 50400, while the sum is 40.

The spelling of 512541712921 in words is "five hundred twelve billion, five hundred forty-one million, seven hundred twelve thousand, nine hundred twenty-one".