1311660106567 has 2 divisors, whose sum is σ = 1311660106568. Its totient is φ = 1311660106566.

The previous prime is 1311660106553. The next prime is 1311660106573. The reversal of 1311660106567 is 7656010661131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311660106567 - 2¹⁵ = 1311660073799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311660106507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655830053283 + 655830053284.

It is an arithmetic number, because the mean of its divisors is an integer number (655830053284).

Almost surely, 2^{1311660106567} is an apocalyptic number.

1311660106567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311660106567 is an equidigital number, since it uses as much as digits as its factorization.

1311660106567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

Adding to 1311660106567 its reverse (7656010661131), we get a palindrome (8967670767698).

The spelling of 1311660106567 in words is "one trillion, three hundred eleven billion, six hundred sixty million, one hundred six thousand, five hundred sixty-seven".