5667505561 has 2 divisors, whose sum is σ = 5667505562. Its totient is φ = 5667505560.

The previous prime is 5667505549. The next prime is 5667505567. The reversal of 5667505561 is 1655057665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4629441600 + 1038063961 = 68040^2 + 32219^2 .

It is a cyclic number.

It is not a de Polignac number, because 5667505561 - 2⁷ = 5667505433 is a prime.

It is not a weakly prime, because it can be changed into another prime (5667505567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833752780 + 2833752781.

It is an arithmetic number, because the mean of its divisors is an integer number (2833752781).

Almost surely, 2^5667505561 is an apocalyptic number.

It is an amenable number.

5667505561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5667505561 is an equidigital number, since it uses as much as digits as its factorization.

5667505561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 46.

The square root of 5667505561 is about 75282.8370945198. The cubic root of 5667505561 is about 1782.9150527507.

The spelling of 5667505561 in words is "five billion, six hundred sixty-seven million, five hundred five thousand, five hundred sixty-one".