1311103199999 has 32 divisors (see below), whose sum is σ = 1433698320384. Its totient is φ = 1194135667200.

The previous prime is 1311103199969. The next prime is 1311103200019. The reversal of 1311103199999 is 9999913011131.

It is a cyclic number.

It is not a de Polignac number, because 1311103199999 - 2¹⁶ = 1311103134463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311103199969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42260417 + ... + 42291429.

It is an arithmetic number, because the mean of its divisors is an integer number (44803072512).

Almost surely, 2^{1311103199999} is an apocalyptic number.

1311103199999 is a deficient number, since it is larger than the sum of its proper divisors (122595120385).

1311103199999 is a wasteful number, since it uses less digits than its factorization.

1311103199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31607.

The product of its (nonzero) digits is 531441, while the sum is 56.

The spelling of 1311103199999 in words is "one trillion, three hundred eleven billion, one hundred three million, one hundred ninety-nine thousand, nine hundred ninety-nine".