1311144204005 has 16 divisors (see below), whose sum is σ = 1584695208000. Its totient is φ = 1041389042688.

The previous prime is 1311144203953. The next prime is 1311144204031. The reversal of 1311144204005 is 5004024411131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311144204005 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 879887 + ... + 1842956.

It is an arithmetic number, because the mean of its divisors is an integer number (99043450500).

Almost surely, 2^{1311144204005} is an apocalyptic number.

It is an amenable number.

1311144204005 is a deficient number, since it is larger than the sum of its proper divisors (273551003995).

1311144204005 is a wasteful number, since it uses less digits than its factorization.

1311144204005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723540.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1311144204005 its reverse (5004024411131), we get a palindrome (6315168615136).

The spelling of 1311144204005 in words is "one trillion, three hundred eleven billion, one hundred forty-four million, two hundred four thousand, five".