5565639257041 has 2 divisors, whose sum is σ = 5565639257042. Its totient is φ = 5565639257040.

The previous prime is 5565639257033. The next prime is 5565639257083. The reversal of 5565639257041 is 1407529365655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4746123673600 + 819515583441 = 2178560^2 + 905271^2 .

It is a cyclic number.

It is not a de Polignac number, because 5565639257041 - 2³ = 5565639257033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5565639257021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782819628520 + 2782819628521.

It is an arithmetic number, because the mean of its divisors is an integer number (2782819628521).

Almost surely, 2^{5565639257041} is an apocalyptic number.

It is an amenable number.

5565639257041 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565639257041 is an equidigital number, since it uses as much as digits as its factorization.

5565639257041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020000, while the sum is 58.

The spelling of 5565639257041 in words is "five trillion, five hundred sixty-five billion, six hundred thirty-nine million, two hundred fifty-seven thousand, forty-one".