1311226115416 has 32 divisors (see below), whose sum is σ = 2810754059040. Its totient is φ = 561757287168.

The previous prime is 1311226115393. The next prime is 1311226115417. The reversal of 1311226115416 is 6145116221131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311226115417) by changing a digit.

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, 3937795 + ... + 4257778.

It is an arithmetic number, because the mean of its divisors is an integer number (87836064345).

Almost surely, 2^{1311226115416} is an apocalyptic number.

It is an amenable number.

1311226115416 is an abundant number, since it is smaller than the sum of its proper divisors (1499527943624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311226115416 is a wasteful number, since it uses less digits than its factorization.

1311226115416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198443 (or 8198439 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The spelling of 1311226115416 in words is "one trillion, three hundred eleven billion, two hundred twenty-six million, one hundred fifteen thousand, four hundred sixteen".