1311838087727 has 2 divisors, whose sum is σ = 1311838087728. Its totient is φ = 1311838087726.

The previous prime is 1311838087697. The next prime is 1311838087733. The reversal of 1311838087727 is 7277808381131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311838087727 - 2⁸ = 1311838087471 is a prime.

It is a super-2 number, since 2×1311838087727² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311838087787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655919043863 + 655919043864.

It is an arithmetic number, because the mean of its divisors is an integer number (655919043864).

Almost surely, 2^{1311838087727} is an apocalyptic number.

1311838087727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311838087727 is an equidigital number, since it uses as much as digits as its factorization.

1311838087727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 1311838087727 in words is "one trillion, three hundred eleven billion, eight hundred thirty-eight million, eighty-seven thousand, seven hundred twenty-seven".