1311655944068 has 24 divisors (see below), whose sum is σ = 2558338221600. Its totient is φ = 584763020928.

The previous prime is 1311655944047. The next prime is 1311655944073. The reversal of 1311655944068 is 8604495561131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507605498 + ... + 507608081.

It is an arithmetic number, because the mean of its divisors is an integer number (106597425900).

Almost surely, 2^{1311655944068} is an apocalyptic number.

It is an amenable number.

1311655944068 is a deficient number, since it is larger than the sum of its proper divisors (1246682277532).

1311655944068 is a wasteful number, since it uses less digits than its factorization.

1311655944068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015213619 (or 1015213617 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 1311655944068 in words is "one trillion, three hundred eleven billion, six hundred fifty-five million, nine hundred forty-four thousand, sixty-eight".