511414123511 has 2 divisors, whose sum is σ = 511414123512. Its totient is φ = 511414123510.

The previous prime is 511414123499. The next prime is 511414123513. The reversal of 511414123511 is 115321414115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511414123511 - 2¹⁰ = 511414122487 is a prime.

Together with 511414123513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511414123513) 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 as a sum of consecutive naturals, namely, 255707061755 + 255707061756.

It is an arithmetic number, because the mean of its divisors is an integer number (255707061756).

Almost surely, 2^511414123511 is an apocalyptic number.

511414123511 is a deficient number, since it is larger than the sum of its proper divisors (1).

511414123511 is an equidigital number, since it uses as much as digits as its factorization.

511414123511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 29.

Adding to 511414123511 its reverse (115321414115), we get a palindrome (626735537626).

The spelling of 511414123511 in words is "five hundred eleven billion, four hundred fourteen million, one hundred twenty-three thousand, five hundred eleven".