512534321111 has 2 divisors, whose sum is σ = 512534321112. Its totient is φ = 512534321110.

The previous prime is 512534321099. The next prime is 512534321171. The reversal of 512534321111 is 111123435215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512534321111 - 2¹⁰ = 512534320087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512534321171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256267160555 + 256267160556.

It is an arithmetic number, because the mean of its divisors is an integer number (256267160556).

Almost surely, 2^512534321111 is an apocalyptic number.

512534321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

512534321111 is an equidigital number, since it uses as much as digits as its factorization.

512534321111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

Adding to 512534321111 its reverse (111123435215), we get a palindrome (623657756326).

The spelling of 512534321111 in words is "five hundred twelve billion, five hundred thirty-four million, three hundred twenty-one thousand, one hundred eleven".