1112144122447 has 2 divisors, whose sum is σ = 1112144122448. Its totient is φ = 1112144122446.

The previous prime is 1112144122409. The next prime is 1112144122471. The reversal of 1112144122447 is 7442214412111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112144122447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112144122547) 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 as a sum of consecutive naturals, namely, 556072061223 + 556072061224.

It is an arithmetic number, because the mean of its divisors is an integer number (556072061224).

Almost surely, 2^{1112144122447} is an apocalyptic number.

1112144122447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112144122447 is an equidigital number, since it uses as much as digits as its factorization.

1112144122447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 34.

Adding to 1112144122447 its reverse (7442214412111), we get a palindrome (8554358534558).

The spelling of 1112144122447 in words is "one trillion, one hundred twelve billion, one hundred forty-four million, one hundred twenty-two thousand, four hundred forty-seven".