511405536023 has 2 divisors, whose sum is σ = 511405536024. Its totient is φ = 511405536022.

The previous prime is 511405536011. The next prime is 511405536071. The reversal of 511405536023 is 320635504115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511405536023 - 2¹⁸ = 511405273879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511405538023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255702768011 + 255702768012.

It is an arithmetic number, because the mean of its divisors is an integer number (255702768012).

Almost surely, 2^511405536023 is an apocalyptic number.

511405536023 is a deficient number, since it is larger than the sum of its proper divisors (1).

511405536023 is an equidigital number, since it uses as much as digits as its factorization.

511405536023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 511405536023 in words is "five hundred eleven billion, four hundred five million, five hundred thirty-six thousand, twenty-three".