1361254173255 has 12 divisors (see below), whose sum is σ = 2359507233720. Its totient is φ = 726002225712.

The previous prime is 1361254173197. The next prime is 1361254173263. The reversal of 1361254173255 is 5523714521631.

1361254173255 is a `hidden beast` number, since 1 + 3 + 6 + 12 + 541 + 73 + 25 + 5 = 666.

It is not a de Polignac number, because 1361254173255 - 2¹⁰ = 1361254172231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 30250092739 = 1361254173255 / (1 + 3 + 6 + 1 + 2 + 5 + 4 + 1 + 7 + 3 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1361254173255.

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 11 ways as a sum of consecutive naturals, for example, 15125046325 + ... + 15125046414.

It is an arithmetic number, because the mean of its divisors is an integer number (196625602810).

Almost surely, 2^{1361254173255} is an apocalyptic number.

1361254173255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361254173255 is a deficient number, since it is larger than the sum of its proper divisors (998253060465).

1361254173255 is a wasteful number, since it uses less digits than its factorization.

1361254173255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250092750 (or 30250092747 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

Adding to 1361254173255 its reverse (5523714521631), we get a palindrome (6884968694886).

The spelling of 1361254173255 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, one hundred seventy-three thousand, two hundred fifty-five".