1311630410005 has 8 divisors (see below), whose sum is σ = 1603653784632. Its totient is φ = 1029506132928.

The previous prime is 1311630409981. The next prime is 1311630410011. The reversal of 1311630410005 is 5000140361131.

It can be written as a sum of positive squares in 4 ways, for example, as 75777977284 + 1235852432721 = 275278^2 + 1111689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311630410005 - 2²⁵ = 1311596855573 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2474774094 + ... + 2474774623.

It is an arithmetic number, because the mean of its divisors is an integer number (200456723079).

Almost surely, 2^{1311630410005} is an apocalyptic number.

It is an amenable number.

1311630410005 is a deficient number, since it is larger than the sum of its proper divisors (292023374627).

1311630410005 is an equidigital number, since it uses as much as digits as its factorization.

1311630410005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949548775.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 1311630410005 its reverse (5000140361131), we get a palindrome (6311770771136).

The spelling of 1311630410005 in words is "one trillion, three hundred eleven billion, six hundred thirty million, four hundred ten thousand, five".