513215564011 has 2 divisors, whose sum is σ = 513215564012. Its totient is φ = 513215564010.

The previous prime is 513215563981. The next prime is 513215564129. The reversal of 513215564011 is 110465512315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513215564011 - 2⁹ = 513215563499 is a prime.

It is not a weakly prime, because it can be changed into another prime (513215564711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256607782005 + 256607782006.

It is an arithmetic number, because the mean of its divisors is an integer number (256607782006).

Almost surely, 2^513215564011 is an apocalyptic number.

513215564011 is a deficient number, since it is larger than the sum of its proper divisors (1).

513215564011 is an equidigital number, since it uses as much as digits as its factorization.

513215564011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 513215564011 in words is "five hundred thirteen billion, two hundred fifteen million, five hundred sixty-four thousand, eleven".