1111144232279 has 2 divisors, whose sum is σ = 1111144232280. Its totient is φ = 1111144232278.

The previous prime is 1111144232213. The next prime is 1111144232321. The reversal of 1111144232279 is 9722324411111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111144232279 - 2³⁶ = 1042424755543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111144232479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555572116139 + 555572116140.

It is an arithmetic number, because the mean of its divisors is an integer number (555572116140).

Almost surely, 2^{1111144232279} is an apocalyptic number.

1111144232279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111144232279 is an equidigital number, since it uses as much as digits as its factorization.

1111144232279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The spelling of 1111144232279 in words is "one trillion, one hundred eleven billion, one hundred forty-four million, two hundred thirty-two thousand, two hundred seventy-nine".