5605100605081 has 2 divisors, whose sum is σ = 5605100605082. Its totient is φ = 5605100605080.

The previous prime is 5605100605043. The next prime is 5605100605087. The reversal of 5605100605081 is 1805060015065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5517331210000 + 87769395081 = 2348900^2 + 296259^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605100605081 - 2⁹ = 5605100604569 is a prime.

It is a super-2 number, since 2×5605100605081² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5605100605081.

It is not a weakly prime, because it can be changed into another prime (5605100605087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802550302540 + 2802550302541.

It is an arithmetic number, because the mean of its divisors is an integer number (2802550302541).

Almost surely, 2^{5605100605081} is an apocalyptic number.

It is an amenable number.

5605100605081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605100605081 is an equidigital number, since it uses as much as digits as its factorization.

5605100605081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 5605100605081 in words is "five trillion, six hundred five billion, one hundred million, six hundred five thousand, eighty-one".