5661061161071 has 2 divisors, whose sum is σ = 5661061161072. Its totient is φ = 5661061161070.

The previous prime is 5661061161013. The next prime is 5661061161101. The reversal of 5661061161071 is 1701611601665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5661061161071 - 2¹⁰ = 5661061160047 is a prime.

It is a super-3 number, since 3×5661061161071³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5661061761071) 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, 2830530580535 + 2830530580536.

It is an arithmetic number, because the mean of its divisors is an integer number (2830530580536).

Almost surely, 2^{5661061161071} is an apocalyptic number.

5661061161071 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661061161071 is an equidigital number, since it uses as much as digits as its factorization.

5661061161071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 5661061161071 in words is "five trillion, six hundred sixty-one billion, sixty-one million, one hundred sixty-one thousand, seventy-one".