506611650655651 has 2 divisors, whose sum is σ = 506611650655652. Its totient is φ = 506611650655650.

The previous prime is 506611650655619. The next prime is 506611650655711. The reversal of 506611650655651 is 156556056116605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506611650655651 - 2⁵ = 506611650655619 is a prime.

It is not a weakly prime, because it can be changed into another prime (506611650625651) 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, 253305825327825 + 253305825327826.

It is an arithmetic number, because the mean of its divisors is an integer number (253305825327826).

Almost surely, 2^{506611650655651} is an apocalyptic number.

506611650655651 is a deficient number, since it is larger than the sum of its proper divisors (1).

506611650655651 is an equidigital number, since it uses as much as digits as its factorization.

506611650655651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300000, while the sum is 58.

The spelling of 506611650655651 in words is "five hundred six trillion, six hundred eleven billion, six hundred fifty million, six hundred fifty-five thousand, six hundred fifty-one".