1365856711111 has 2 divisors, whose sum is σ = 1365856711112. Its totient is φ = 1365856711110.

The previous prime is 1365856711057. The next prime is 1365856711151. The reversal of 1365856711111 is 1111176585631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365856711111 - 2¹³ = 1365856702919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365856711151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682928355555 + 682928355556.

It is an arithmetic number, because the mean of its divisors is an integer number (682928355556).

Almost surely, 2^{1365856711111} is an apocalyptic number.

1365856711111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365856711111 is an equidigital number, since it uses as much as digits as its factorization.

1365856711111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 46.

The spelling of 1365856711111 in words is "one trillion, three hundred sixty-five billion, eight hundred fifty-six million, seven hundred eleven thousand, one hundred eleven".