1311201635104 has 24 divisors (see below), whose sum is σ = 2581670892528. Its totient is φ = 655539186240.

The previous prime is 1311201635057. The next prime is 1311201635131. The reversal of 1311201635104 is 4015361021131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579302 + ... + 2261989.

It is an arithmetic number, because the mean of its divisors is an integer number (107569620522).

Almost surely, 2^{1311201635104} is an apocalyptic number.

It is an amenable number.

1311201635104 is a deficient number, since it is larger than the sum of its proper divisors (1270469257424).

1311201635104 is a wasteful number, since it uses less digits than its factorization.

1311201635104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851968 (or 3851960 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 1311201635104 its reverse (4015361021131), we get a palindrome (5326562656235).

The spelling of 1311201635104 in words is "one trillion, three hundred eleven billion, two hundred one million, six hundred thirty-five thousand, one hundred four".