1311226115606 has 16 divisors (see below), whose sum is σ = 2145699614160. Its totient is φ = 595996070880.

The previous prime is 1311226115593. The next prime is 1311226115669. The reversal of 1311226115606 is 6065116221131.

It is a congruent number.

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, 80060 + ... + 1621376.

It is an arithmetic number, because the mean of its divisors is an integer number (134106225885).

Almost surely, 2^{1311226115606} is an apocalyptic number.

1311226115606 is a deficient number, since it is larger than the sum of its proper divisors (834473498554).

1311226115606 is a wasteful number, since it uses less digits than its factorization.

1311226115606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579999.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1311226115606 in words is "one trillion, three hundred eleven billion, two hundred twenty-six million, one hundred fifteen thousand, six hundred six".