511030511441 has 2 divisors, whose sum is σ = 511030511442. Its totient is φ = 511030511440.

The previous prime is 511030511399. The next prime is 511030511443. The reversal of 511030511441 is 144115030115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435066883216 + 75963628225 = 659596^2 + 275615^2 .

It is a cyclic number.

It is not a de Polignac number, because 511030511441 - 2¹⁸ = 511030249297 is a prime.

It is a super-2 number, since 2×511030511441² (a number of 24 digits) contains 22 as substring.

Together with 511030511443, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 511030511441.

It is not a weakly prime, because it can be changed into another prime (511030511443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255515255720 + 255515255721.

It is an arithmetic number, because the mean of its divisors is an integer number (255515255721).

Almost surely, 2^511030511441 is an apocalyptic number.

It is an amenable number.

511030511441 is a deficient number, since it is larger than the sum of its proper divisors (1).

511030511441 is an equidigital number, since it uses as much as digits as its factorization.

511030511441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 511030511441 its reverse (144115030115), we get a palindrome (655145541556).

The spelling of 511030511441 in words is "five hundred eleven billion, thirty million, five hundred eleven thousand, four hundred forty-one".