1116211650205 has 16 divisors (see below), whose sum is σ = 1372751412480. Its totient is φ = 871043404608.

The previous prime is 1116211650181. The next prime is 1116211650221. The reversal of 1116211650205 is 5020561126111.

It is a cyclic number.

It is not a de Polignac number, because 1116211650205 - 2⁵ = 1116211650173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16990422 + ... + 17055991.

It is an arithmetic number, because the mean of its divisors is an integer number (85796963280).

Almost surely, 2^{1116211650205} is an apocalyptic number.

It is an amenable number.

1116211650205 is a deficient number, since it is larger than the sum of its proper divisors (256539762275).

1116211650205 is an equidigital number, since it uses as much as digits as its factorization.

1116211650205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34046580.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 1116211650205 its reverse (5020561126111), we get a palindrome (6136772776316).

The spelling of 1116211650205 in words is "one trillion, one hundred sixteen billion, two hundred eleven million, six hundred fifty thousand, two hundred five".