1361326171228 has 12 divisors (see below), whose sum is σ = 2382452350432. Its totient is φ = 680625499680.

The previous prime is 1361326171213. The next prime is 1361326171237. The reversal of 1361326171228 is 8221716231631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314913 + ... + 9459928.

Almost surely, 2^{1361326171228} is an apocalyptic number.

It is an amenable number.

1361326171228 is a deficient number, since it is larger than the sum of its proper divisors (1021126179204).

1361326171228 is a wasteful number, since it uses less digits than its factorization.

1361326171228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18792972 (or 18792970 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The spelling of 1361326171228 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, one hundred seventy-one thousand, two hundred twenty-eight".