56611104757 has 2 divisors, whose sum is σ = 56611104758. Its totient is φ = 56611104756.

The previous prime is 56611104689. The next prime is 56611104761. The reversal of 56611104757 is 75740111665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28344752881 + 28266351876 = 168359^2 + 168126^2 .

It is a cyclic number.

It is not a de Polignac number, because 56611104757 - 2⁷ = 56611104629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56611104157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305552378 + 28305552379.

It is an arithmetic number, because the mean of its divisors is an integer number (28305552379).

Almost surely, 2^56611104757 is an apocalyptic number.

It is an amenable number.

56611104757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56611104757 is an equidigital number, since it uses as much as digits as its factorization.

56611104757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 56611104757 in words is "fifty-six billion, six hundred eleven million, one hundred four thousand, seven hundred fifty-seven".