10661434313297 has 2 divisors, whose sum is σ = 10661434313298. Its totient is φ = 10661434313296.

The previous prime is 10661434313279. The next prime is 10661434313347. The reversal of 10661434313297 is 79231343416601.

Together with previous prime (10661434313279) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (10661434313347) can be obtained adding 10661434313297 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9277573819921 + 1383860493376 = 3045911^2 + 1176376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10661434313297 is a prime.

It is a super-2 number, since 2×10661434313297² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10661434313207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330717156648 + 5330717156649.

It is an arithmetic number, because the mean of its divisors is an integer number (5330717156649).

Almost surely, 2^{10661434313297} is an apocalyptic number.

It is an amenable number.

10661434313297 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661434313297 is an equidigital number, since it uses as much as digits as its factorization.

10661434313297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 50.

Adding to 10661434313297 its reverse (79231343416601), we get a palindrome (89892777729898).

The spelling of 10661434313297 in words is "ten trillion, six hundred sixty-one billion, four hundred thirty-four million, three hundred thirteen thousand, two hundred ninety-seven".