1367563057961 has 2 divisors, whose sum is σ = 1367563057962. Its totient is φ = 1367563057960.

The previous prime is 1367563057921. The next prime is 1367563057999. The reversal of 1367563057961 is 1697503657631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1349326176025 + 18236881936 = 1161605^2 + 135044^2 .

It is an emirp because it is prime and its reverse (1697503657631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1367563057961 - 2⁶ = 1367563057897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1367563057961.

It is not a weakly prime, because it can be changed into another prime (1367563057921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683781528980 + 683781528981.

It is an arithmetic number, because the mean of its divisors is an integer number (683781528981).

Almost surely, 2^{1367563057961} is an apocalyptic number.

It is an amenable number.

1367563057961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367563057961 is an equidigital number, since it uses as much as digits as its factorization.

1367563057961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21432600, while the sum is 59.

The spelling of 1367563057961 in words is "one trillion, three hundred sixty-seven billion, five hundred sixty-three million, fifty-seven thousand, nine hundred sixty-one".