1366514532811 has 2 divisors, whose sum is σ = 1366514532812. Its totient is φ = 1366514532810.

The previous prime is 1366514532809. The next prime is 1366514532841. The reversal of 1366514532811 is 1182354156631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366514532811 - 2¹ = 1366514532809 is a prime.

Together with 1366514532809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1366514532841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683257266405 + 683257266406.

It is an arithmetic number, because the mean of its divisors is an integer number (683257266406).

Almost surely, 2^{1366514532811} is an apocalyptic number.

1366514532811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366514532811 is an equidigital number, since it uses as much as digits as its factorization.

1366514532811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The spelling of 1366514532811 in words is "one trillion, three hundred sixty-six billion, five hundred fourteen million, five hundred thirty-two thousand, eight hundred eleven".