5581046671297 has 2 divisors, whose sum is σ = 5581046671298. Its totient is φ = 5581046671296.

The previous prime is 5581046671229. The next prime is 5581046671331. The reversal of 5581046671297 is 7921766401855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3427678257201 + 2153368414096 = 1851399^2 + 1467436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581046671297 is a prime.

It is a super-2 number, since 2×5581046671297² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5581046641297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790523335648 + 2790523335649.

It is an arithmetic number, because the mean of its divisors is an integer number (2790523335649).

Almost surely, 2^{5581046671297} is an apocalyptic number.

It is an amenable number.

5581046671297 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581046671297 is an equidigital number, since it uses as much as digits as its factorization.

5581046671297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 5581046671297 in words is "five trillion, five hundred eighty-one billion, forty-six million, six hundred seventy-one thousand, two hundred ninety-seven".