1311144142211 has 8 divisors (see below), whose sum is σ = 1313459809920. Its totient is φ = 1308828987648.

The previous prime is 1311144142207. The next prime is 1311144142223. The reversal of 1311144142211 is 1122414411131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311144142211 - 2² = 1311144142207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311144142201) 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, 5179745 + ... + 5426973.

It is an arithmetic number, because the mean of its divisors is an integer number (164182476240).

Almost surely, 2^{1311144142211} is an apocalyptic number.

1311144142211 is a deficient number, since it is larger than the sum of its proper divisors (2315667709).

1311144142211 is an equidigital number, since it uses as much as digits as its factorization.

1311144142211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256573.

The product of its digits is 768, while the sum is 26.

Adding to 1311144142211 its reverse (1122414411131), we get a palindrome (2433558553342).

The spelling of 1311144142211 in words is "one trillion, three hundred eleven billion, one hundred forty-four million, one hundred forty-two thousand, two hundred eleven".