511603611053 has 2 divisors, whose sum is σ = 511603611054. Its totient is φ = 511603611052.

The previous prime is 511603611019. The next prime is 511603611163. The reversal of 511603611053 is 350116306115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483111183844 + 28492427209 = 695062^2 + 168797^2 .

It is a cyclic number.

It is not a de Polignac number, because 511603611053 - 2¹⁶ = 511603545517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511603610053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255801805526 + 255801805527.

It is an arithmetic number, because the mean of its divisors is an integer number (255801805527).

Almost surely, 2^511603611053 is an apocalyptic number.

It is an amenable number.

511603611053 is a deficient number, since it is larger than the sum of its proper divisors (1).

511603611053 is an equidigital number, since it uses as much as digits as its factorization.

511603611053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 511603611053 its reverse (350116306115), we get a palindrome (861719917168).

The spelling of 511603611053 in words is "five hundred eleven billion, six hundred three million, six hundred eleven thousand, fifty-three".