511213465303 has 2 divisors, whose sum is σ = 511213465304. Its totient is φ = 511213465302.

The previous prime is 511213465297. The next prime is 511213465309. The reversal of 511213465303 is 303564312115.

It is a balanced prime because it is at equal distance from previous prime (511213465297) and next prime (511213465309).

It is a cyclic number.

It is not a de Polignac number, because 511213465303 - 2¹⁷ = 511213334231 is a prime.

It is a super-2 number, since 2×511213465303² (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 (511213465309) 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, 255606732651 + 255606732652.

It is an arithmetic number, because the mean of its divisors is an integer number (255606732652).

Almost surely, 2^511213465303 is an apocalyptic number.

511213465303 is a deficient number, since it is larger than the sum of its proper divisors (1).

511213465303 is an equidigital number, since it uses as much as digits as its factorization.

511213465303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 511213465303 its reverse (303564312115), we get a palindrome (814777777418).

The spelling of 511213465303 in words is "five hundred eleven billion, two hundred thirteen million, four hundred sixty-five thousand, three hundred three".