56563610611 has 2 divisors, whose sum is σ = 56563610612. Its totient is φ = 56563610610.

The previous prime is 56563610539. The next prime is 56563610629. The reversal of 56563610611 is 11601636565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56563610611 - 2¹⁵ = 56563577843 is a prime.

It is not a weakly prime, because it can be changed into another prime (56563610681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28281805305 + 28281805306.

It is an arithmetic number, because the mean of its divisors is an integer number (28281805306).

Almost surely, 2^56563610611 is an apocalyptic number.

56563610611 is a deficient number, since it is larger than the sum of its proper divisors (1).

56563610611 is an equidigital number, since it uses as much as digits as its factorization.

56563610611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 56563610611 in words is "fifty-six billion, five hundred sixty-three million, six hundred ten thousand, six hundred eleven".