512430521105 has 4 divisors (see below), whose sum is σ = 614916625332. Its totient is φ = 409944416880.

The previous prime is 512430521051. The next prime is 512430521143. The reversal of 512430521105 is 501125034215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 368832723856 + 143597797249 = 607316^2 + 378943^2 .

It is not a de Polignac number, because 512430521105 - 2²² = 512426326801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51243052106 + ... + 51243052115.

It is an arithmetic number, because the mean of its divisors is an integer number (153729156333).

Almost surely, 2^512430521105 is an apocalyptic number.

It is an amenable number.

512430521105 is a deficient number, since it is larger than the sum of its proper divisors (102486104227).

512430521105 is a wasteful number, since it uses less digits than its factorization.

512430521105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102486104226.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 512430521105 in words is "five hundred twelve billion, four hundred thirty million, five hundred twenty-one thousand, one hundred five".