1361202216611 has 16 divisors (see below), whose sum is σ = 1393323237600. Its totient is φ = 1329493367808.

The previous prime is 1361202216581. The next prime is 1361202216617. The reversal of 1361202216611 is 1166122021631.

It is a cyclic number.

It is not a de Polignac number, because 1361202216611 - 2²⁶ = 1361135107747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361202216617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924020 + ... + 4256798.

It is an arithmetic number, because the mean of its divisors is an integer number (87082702350).

Almost surely, 2^{1361202216611} is an apocalyptic number.

1361202216611 is a deficient number, since it is larger than the sum of its proper divisors (32121020989).

1361202216611 is a wasteful number, since it uses less digits than its factorization.

1361202216611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333398.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1361202216611 in words is "one trillion, three hundred sixty-one billion, two hundred two million, two hundred sixteen thousand, six hundred eleven".