1131443140291 has 2 divisors, whose sum is σ = 1131443140292. Its totient is φ = 1131443140290.

The previous prime is 1131443140249. The next prime is 1131443140309. The reversal of 1131443140291 is 1920413441311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1920413441311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131443140291 - 2⁹ = 1131443139779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131443740291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565721570145 + 565721570146.

It is an arithmetic number, because the mean of its divisors is an integer number (565721570146).

Almost surely, 2^{1131443140291} is an apocalyptic number.

1131443140291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131443140291 is an equidigital number, since it uses as much as digits as its factorization.

1131443140291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1131443140291 in words is "one trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred forty thousand, two hundred ninety-one".