1311130646026 has 32 divisors (see below), whose sum is σ = 2059902599040. Its totient is φ = 624712518144.

The previous prime is 1311130646011. The next prime is 1311130646051. The reversal of 1311130646026 is 6206460311131.

It is a super-2 number, since 2×1311130646026² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311130645982 and 1311130646000.

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, 26943145 + ... + 26991763.

It is an arithmetic number, because the mean of its divisors is an integer number (64371956220).

Almost surely, 2^{1311130646026} is an apocalyptic number.

1311130646026 is a deficient number, since it is larger than the sum of its proper divisors (748771953014).

1311130646026 is a wasteful number, since it uses less digits than its factorization.

1311130646026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50830.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 1311130646026 its reverse (6206460311131), we get a palindrome (7517590957157).

The spelling of 1311130646026 in words is "one trillion, three hundred eleven billion, one hundred thirty million, six hundred forty-six thousand, twenty-six".