1144334012891 has 2 divisors, whose sum is σ = 1144334012892. Its totient is φ = 1144334012890.

The previous prime is 1144334012827. The next prime is 1144334013019. The reversal of 1144334012891 is 1982104334411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1982104334411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144334012891 - 2⁶ = 1144334012827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144334012821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572167006445 + 572167006446.

It is an arithmetic number, because the mean of its divisors is an integer number (572167006446).

Almost surely, 2^{1144334012891} is an apocalyptic number.

1144334012891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144334012891 is an equidigital number, since it uses as much as digits as its factorization.

1144334012891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 1144334012891 in words is "one trillion, one hundred forty-four billion, three hundred thirty-four million, twelve thousand, eight hundred ninety-one".