1311120163426 has 16 divisors (see below), whose sum is σ = 1973337125760. Its totient is φ = 653341664880.

The previous prime is 1311120163399. The next prime is 1311120163459. The reversal of 1311120163426 is 6243610211131.

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, 4848520 + ... + 5111788.

It is an arithmetic number, because the mean of its divisors is an integer number (123333570360).

Almost surely, 2^{1311120163426} is an apocalyptic number.

1311120163426 is a deficient number, since it is larger than the sum of its proper divisors (662216962334).

1311120163426 is a wasteful number, since it uses less digits than its factorization.

1311120163426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271689.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 1311120163426 its reverse (6243610211131), we get a palindrome (7554730374557).

The spelling of 1311120163426 in words is "one trillion, three hundred eleven billion, one hundred twenty million, one hundred sixty-three thousand, four hundred twenty-six".