5650111565561 has 2 divisors, whose sum is σ = 5650111565562. Its totient is φ = 5650111565560.

The previous prime is 5650111565551. The next prime is 5650111565599. The reversal of 5650111565561 is 1655651110565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4803794363536 + 846317202025 = 2191756^2 + 919955^2 .

It is a cyclic number.

It is not a de Polignac number, because 5650111565561 - 2³⁸ = 5375233658617 is a prime.

It is not a weakly prime, because it can be changed into another prime (5650111565551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825055782780 + 2825055782781.

It is an arithmetic number, because the mean of its divisors is an integer number (2825055782781).

Almost surely, 2^{5650111565561} is an apocalyptic number.

It is an amenable number.

5650111565561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5650111565561 is an equidigital number, since it uses as much as digits as its factorization.

5650111565561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 5650111565561 in words is "five trillion, six hundred fifty billion, one hundred eleven million, five hundred sixty-five thousand, five hundred sixty-one".