1071486181361 has 2 divisors, whose sum is σ = 1071486181362. Its totient is φ = 1071486181360.

The previous prime is 1071486181349. The next prime is 1071486181397. The reversal of 1071486181361 is 1631816841701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068833416336 + 2652765025 = 1033844^2 + 51505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071486181361 - 2³⁸ = 796608274417 is a prime.

It is a super-2 number, since 2×1071486181361² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071486181331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535743090680 + 535743090681.

It is an arithmetic number, because the mean of its divisors is an integer number (535743090681).

Almost surely, 2^{1071486181361} is an apocalyptic number.

It is an amenable number.

1071486181361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071486181361 is an equidigital number, since it uses as much as digits as its factorization.

1071486181361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 1071486181361 in words is "one trillion, seventy-one billion, four hundred eighty-six million, one hundred eighty-one thousand, three hundred sixty-one".