511060010509 has 2 divisors, whose sum is σ = 511060010510. Its totient is φ = 511060010508.

The previous prime is 511060010479. The next prime is 511060010569. The reversal of 511060010509 is 905010060115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511050554884 + 9455625 = 714878^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 511060010509 - 2²¹ = 511057913357 is a prime.

It is a super-2 number, since 2×511060010509² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511060010569) 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, 255530005254 + 255530005255.

It is an arithmetic number, because the mean of its divisors is an integer number (255530005255).

Almost surely, 2^511060010509 is an apocalyptic number.

It is an amenable number.

511060010509 is a deficient number, since it is larger than the sum of its proper divisors (1).

511060010509 is an equidigital number, since it uses as much as digits as its factorization.

511060010509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 28.

The spelling of 511060010509 in words is "five hundred eleven billion, sixty million, ten thousand, five hundred nine".