1311200143004 has 6 divisors (see below), whose sum is σ = 2294600250264. Its totient is φ = 655600071500.

The previous prime is 1311200142961. The next prime is 1311200143027. The reversal of 1311200143004 is 4003410021131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163900017872 + ... + 163900017879.

It is an arithmetic number, because the mean of its divisors is an integer number (382433375044).

Almost surely, 2^{1311200143004} is an apocalyptic number.

It is an amenable number.

1311200143004 is a deficient number, since it is larger than the sum of its proper divisors (983400107260).

1311200143004 is a wasteful number, since it uses less digits than its factorization.

1311200143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327800035755 (or 327800035753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1311200143004 its reverse (4003410021131), we get a palindrome (5314610164135).

The spelling of 1311200143004 in words is "one trillion, three hundred eleven billion, two hundred million, one hundred forty-three thousand, four".