515430013057 has 2 divisors, whose sum is σ = 515430013058. Its totient is φ = 515430013056.

The previous prime is 515430013013. The next prime is 515430013177. The reversal of 515430013057 is 750310034515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510018792336 + 5411220721 = 714156^2 + 73561^2 .

It is a cyclic number.

It is not a de Polignac number, because 515430013057 - 2¹¹ = 515430011009 is a prime.

It is not a weakly prime, because it can be changed into another prime (515430013757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257715006528 + 257715006529.

It is an arithmetic number, because the mean of its divisors is an integer number (257715006529).

Almost surely, 2^515430013057 is an apocalyptic number.

It is an amenable number.

515430013057 is a deficient number, since it is larger than the sum of its proper divisors (1).

515430013057 is an equidigital number, since it uses as much as digits as its factorization.

515430013057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 515430013057 in words is "five hundred fifteen billion, four hundred thirty million, thirteen thousand, fifty-seven".