1361102220165 has 16 divisors (see below), whose sum is σ = 2178856306368. Its totient is φ = 725556932736.

The previous prime is 1361102220139. The next prime is 1361102220199. The reversal of 1361102220165 is 5610222011631.

It is not a de Polignac number, because 1361102220165 - 2²⁰ = 1361101171589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22734819 + ... + 22794608.

It is an arithmetic number, because the mean of its divisors is an integer number (136178519148).

Almost surely, 2^{1361102220165} is an apocalyptic number.

1361102220165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361102220165 is a deficient number, since it is larger than the sum of its proper divisors (817754086203).

1361102220165 is a wasteful number, since it uses less digits than its factorization.

1361102220165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45531428.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 1361102220165 its reverse (5610222011631), we get a palindrome (6971324231796).

The spelling of 1361102220165 in words is "one trillion, three hundred sixty-one billion, one hundred two million, two hundred twenty thousand, one hundred sixty-five".