1361331556262 has 16 divisors (see below), whose sum is σ = 2043238752240. Its totient is φ = 680252059872.

The previous prime is 1361331556241. The next prime is 1361331556303. The reversal of 1361331556262 is 2626551331631.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43431548 + ... + 43462880.

It is an arithmetic number, because the mean of its divisors is an integer number (127702422015).

Almost surely, 2^{1361331556262} is an apocalyptic number.

1361331556262 is a deficient number, since it is larger than the sum of its proper divisors (681907195978).

1361331556262 is a wasteful number, since it uses less digits than its factorization.

1361331556262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43847.

The product of its digits is 583200, while the sum is 44.

Adding to 1361331556262 its reverse (2626551331631), we get a palindrome (3987882887893).

The spelling of 1361331556262 in words is "one trillion, three hundred sixty-one billion, three hundred thirty-one million, five hundred fifty-six thousand, two hundred sixty-two".