1311626536012 has 12 divisors (see below), whose sum is σ = 2471911548736. Its totient is φ = 605366093520.

The previous prime is 1311626535953. The next prime is 1311626536027. The reversal of 1311626536012 is 2106356261131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12611793564 + ... + 12611793667.

Almost surely, 2^{1311626536012} is an apocalyptic number.

It is an amenable number.

1311626536012 is a deficient number, since it is larger than the sum of its proper divisors (1160285012724).

1311626536012 is a wasteful number, since it uses less digits than its factorization.

1311626536012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25223587248 (or 25223587246 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1311626536012 in words is "one trillion, three hundred eleven billion, six hundred twenty-six million, five hundred thirty-six thousand, twelve".