5616045105961 has 2 divisors, whose sum is σ = 5616045105962. Its totient is φ = 5616045105960.

The previous prime is 5616045105959. The next prime is 5616045106031. The reversal of 5616045105961 is 1695015406165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5438429217936 + 177615888025 = 2332044^2 + 421445^2 .

It is a cyclic number.

It is not a de Polignac number, because 5616045105961 - 2¹ = 5616045105959 is a prime.

Together with 5616045105959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5616045105761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808022552980 + 2808022552981.

It is an arithmetic number, because the mean of its divisors is an integer number (2808022552981).

Almost surely, 2^{5616045105961} is an apocalyptic number.

It is an amenable number.

5616045105961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616045105961 is an equidigital number, since it uses as much as digits as its factorization.

5616045105961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 5616045105961 in words is "five trillion, six hundred sixteen billion, forty-five million, one hundred five thousand, nine hundred sixty-one".