1361260036161 has 12 divisors (see below), whose sum is σ = 1967590385488. Its totient is φ = 906894742104.

The previous prime is 1361260036111. The next prime is 1361260036181. The reversal of 1361260036161 is 1616300621631.

1361260036161 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 2 + 600 + 36 + 16 + 1 = 666.

It is not a de Polignac number, because 1361260036161 - 2⁷ = 1361260036033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1361260036111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 50981635 + ... + 51008328.

Almost surely, 2^{1361260036161} is an apocalyptic number.

It is an amenable number.

1361260036161 is a deficient number, since it is larger than the sum of its proper divisors (606330349327).

1361260036161 is a wasteful number, since it uses less digits than its factorization.

1361260036161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101991452 (or 101991449 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Adding to 1361260036161 its reverse (1616300621631), we get a palindrome (2977560657792).

The spelling of 1361260036161 in words is "one trillion, three hundred sixty-one billion, two hundred sixty million, thirty-six thousand, one hundred sixty-one".