1311268716207 has 24 divisors (see below), whose sum is σ = 1900505617920. Its totient is φ = 871204485840.

The previous prime is 1311268716151. The next prime is 1311268716211. The reversal of 1311268716207 is 7026178621131.

1311268716207 is a `hidden beast` number, since 1 + 3 + 1 + 12 + 6 + 8 + 7 + 1 + 620 + 7 = 666.

It is not a de Polignac number, because 1311268716207 - 2¹² = 1311268712111 is a prime.

It is a super-2 number, since 2×1311268716207² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311268717207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5921794 + ... + 6139232.

It is an arithmetic number, because the mean of its divisors is an integer number (79187734080).

Almost surely, 2^{1311268716207} is an apocalyptic number.

1311268716207 is a deficient number, since it is larger than the sum of its proper divisors (589236901713).

1311268716207 is a wasteful number, since it uses less digits than its factorization.

1311268716207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219723 (or 219720 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 1311268716207 in words is "one trillion, three hundred eleven billion, two hundred sixty-eight million, seven hundred sixteen thousand, two hundred seven".