516511243153 has 2 divisors, whose sum is σ = 516511243154. Its totient is φ = 516511243152.

The previous prime is 516511243123. The next prime is 516511243189. The reversal of 516511243153 is 351342115615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515835659089 + 675584064 = 718217^2 + 25992^2 .

It is a cyclic number.

It is not a de Polignac number, because 516511243153 - 2²⁹ = 515974372241 is a prime.

It is not a weakly prime, because it can be changed into another prime (516511243123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258255621576 + 258255621577.

It is an arithmetic number, because the mean of its divisors is an integer number (258255621577).

Almost surely, 2^516511243153 is an apocalyptic number.

It is an amenable number.

516511243153 is a deficient number, since it is larger than the sum of its proper divisors (1).

516511243153 is an equidigital number, since it uses as much as digits as its factorization.

516511243153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

Adding to 516511243153 its reverse (351342115615), we get a palindrome (867853358768).

The spelling of 516511243153 in words is "five hundred sixteen billion, five hundred eleven million, two hundred forty-three thousand, one hundred fifty-three".