1341771235681 has 2 divisors, whose sum is σ = 1341771235682. Its totient is φ = 1341771235680.

The previous prime is 1341771235559. The next prime is 1341771235711. The reversal of 1341771235681 is 1865321771431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297797145681 + 43974090000 = 1139209^2 + 209700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341771235681 - 2¹¹ = 1341771233633 is a prime.

It is a super-2 number, since 2×1341771235681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1341771235081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670885617840 + 670885617841.

It is an arithmetic number, because the mean of its divisors is an integer number (670885617841).

Almost surely, 2^{1341771235681} is an apocalyptic number.

It is an amenable number.

1341771235681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341771235681 is an equidigital number, since it uses as much as digits as its factorization.

1341771235681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The spelling of 1341771235681 in words is "one trillion, three hundred forty-one billion, seven hundred seventy-one million, two hundred thirty-five thousand, six hundred eighty-one".