1366061371039 has 2 divisors, whose sum is σ = 1366061371040. Its totient is φ = 1366061371038.

The previous prime is 1366061371027. The next prime is 1366061371057. The reversal of 1366061371039 is 9301731606631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366061371039 - 2¹³ = 1366061362847 is a prime.

It is a super-2 number, since 2×1366061371039² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1366061371039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366061371069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683030685519 + 683030685520.

It is an arithmetic number, because the mean of its divisors is an integer number (683030685520).

Almost surely, 2^{1366061371039} is an apocalyptic number.

1366061371039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366061371039 is an equidigital number, since it uses as much as digits as its factorization.

1366061371039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 1366061371039 in words is "one trillion, three hundred sixty-six billion, sixty-one million, three hundred seventy-one thousand, thirty-nine".