1131443140211 has 4 divisors (see below), whose sum is σ = 1131594470832. Its totient is φ = 1131291809592.

The previous prime is 1131443140189. The next prime is 1131443140249. The reversal of 1131443140211 is 1120413441311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131443140211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131443140291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75654095 + ... + 75669048.

It is an arithmetic number, because the mean of its divisors is an integer number (282898617708).

Almost surely, 2^{1131443140211} is an apocalyptic number.

1131443140211 is a deficient number, since it is larger than the sum of its proper divisors (151330621).

1131443140211 is an equidigital number, since it uses as much as digits as its factorization.

1131443140211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151330620.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 1131443140211 its reverse (1120413441311), we get a palindrome (2251856581522).

The spelling of 1131443140211 in words is "one trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred forty thousand, two hundred eleven".