1311616042141 has 4 divisors (see below), whose sum is σ = 1313827874172. Its totient is φ = 1309404210112.

The previous prime is 1311616042109. The next prime is 1311616042157. The reversal of 1311616042141 is 1412406161131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494483208025 + 817132834116 = 703195^2 + 903954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311616042141 - 2⁵ = 1311616042109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311616042181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105915126 + ... + 1105916311.

It is an arithmetic number, because the mean of its divisors is an integer number (328456968543).

Almost surely, 2^{1311616042141} is an apocalyptic number.

It is an amenable number.

1311616042141 is a deficient number, since it is larger than the sum of its proper divisors (2211832031).

1311616042141 is an equidigital number, since it uses as much as digits as its factorization.

1311616042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211832030.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 1311616042141 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, forty-two thousand, one hundred forty-one".