512122113311 has 2 divisors, whose sum is σ = 512122113312. Its totient is φ = 512122113310.

The previous prime is 512122113271. The next prime is 512122113323. The reversal of 512122113311 is 113311221215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512122113311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512122113011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256061056655 + 256061056656.

It is an arithmetic number, because the mean of its divisors is an integer number (256061056656).

Almost surely, 2^512122113311 is an apocalyptic number.

512122113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

512122113311 is an equidigital number, since it uses as much as digits as its factorization.

512122113311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 23.

Adding to 512122113311 its reverse (113311221215), we get a palindrome (625433334526).

The spelling of 512122113311 in words is "five hundred twelve billion, one hundred twenty-two million, one hundred thirteen thousand, three hundred eleven".