111346453447 has 2 divisors, whose sum is σ = 111346453448. Its totient is φ = 111346453446.

The previous prime is 111346453423. The next prime is 111346453451. The reversal of 111346453447 is 744354643111.

It is a strong prime.

It is an emirp because it is prime and its reverse (744354643111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111346453447 - 2¹¹ = 111346451399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111346453147) 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, 55673226723 + 55673226724.

It is an arithmetic number, because the mean of its divisors is an integer number (55673226724).

Almost surely, 2^111346453447 is an apocalyptic number.

111346453447 is a deficient number, since it is larger than the sum of its proper divisors (1).

111346453447 is an equidigital number, since it uses as much as digits as its factorization.

111346453447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 111346453447 in words is "one hundred eleven billion, three hundred forty-six million, four hundred fifty-three thousand, four hundred forty-seven".