1311130640125 has 16 divisors (see below), whose sum is σ = 1636743244032. Its totient is φ = 1048614637200.

The previous prime is 1311130640111. The next prime is 1311130640137. The reversal of 1311130640125 is 5210460311131.

It is not a de Polignac number, because 1311130640125 - 2⁹ = 1311130639613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311130640093 and 1311130640102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994689 + ... + 1900438.

It is an arithmetic number, because the mean of its divisors is an integer number (102296452752).

Almost surely, 2^{1311130640125} is an apocalyptic number.

It is an amenable number.

1311130640125 is a deficient number, since it is larger than the sum of its proper divisors (325612603907).

1311130640125 is an equidigital number, since it uses as much as digits as its factorization.

1311130640125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898765 (or 2898755 counting only the distinct ones).

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

Adding to 1311130640125 its reverse (5210460311131), we get a palindrome (6521590951256).

The spelling of 1311130640125 in words is "one trillion, three hundred eleven billion, one hundred thirty million, six hundred forty thousand, one hundred twenty-five".