1361403669611 has 2 divisors, whose sum is σ = 1361403669612. Its totient is φ = 1361403669610.

The previous prime is 1361403669589. The next prime is 1361403669641. The reversal of 1361403669611 is 1169663041631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361403669611 - 2¹⁰ = 1361403668587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361403669641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680701834805 + 680701834806.

It is an arithmetic number, because the mean of its divisors is an integer number (680701834806).

Almost surely, 2^{1361403669611} is an apocalyptic number.

1361403669611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361403669611 is an equidigital number, since it uses as much as digits as its factorization.

1361403669611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 1361403669611 in words is "one trillion, three hundred sixty-one billion, four hundred three million, six hundred sixty-nine thousand, six hundred eleven".