1081701366817 has 2 divisors, whose sum is σ = 1081701366818. Its totient is φ = 1081701366816.

The previous prime is 1081701366791. The next prime is 1081701366871. The reversal of 1081701366817 is 7186631071801.

Together with next prime (1081701366871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873852909601 + 207848457216 = 934801^2 + 455904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081701366817 - 2⁷ = 1081701366689 is a prime.

It is a super-2 number, since 2×1081701366817² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1081701364817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540850683408 + 540850683409.

It is an arithmetic number, because the mean of its divisors is an integer number (540850683409).

Almost surely, 2^{1081701366817} is an apocalyptic number.

It is an amenable number.

1081701366817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081701366817 is an equidigital number, since it uses as much as digits as its factorization.

1081701366817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 1081701366817 in words is "one trillion, eighty-one billion, seven hundred one million, three hundred sixty-six thousand, eight hundred seventeen".