561520206014519 has 2 divisors, whose sum is σ = 561520206014520. Its totient is φ = 561520206014518.

The previous prime is 561520206014461. The next prime is 561520206014561. The reversal of 561520206014519 is 915410602025165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561520206014519 - 2⁸ = 561520206014263 is a prime.

It is a super-2 number, since 2×561520206014519² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561520206014219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280760103007259 + 280760103007260.

It is an arithmetic number, because the mean of its divisors is an integer number (280760103007260).

Almost surely, 2^{561520206014519} is an apocalyptic number.

561520206014519 is a deficient number, since it is larger than the sum of its proper divisors (1).

561520206014519 is an equidigital number, since it uses as much as digits as its factorization.

561520206014519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 561520206014519 in words is "five hundred sixty-one trillion, five hundred twenty billion, two hundred six million, fourteen thousand, five hundred nineteen".