111404043473 has 2 divisors, whose sum is σ = 111404043474. Its totient is φ = 111404043472.

The previous prime is 111404043461. The next prime is 111404043533. The reversal of 111404043473 is 374340404111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106767523009 + 4636520464 = 326753^2 + 68092^2 .

It is a cyclic number.

It is not a de Polignac number, because 111404043473 - 2¹² = 111404039377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111404063473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702021736 + 55702021737.

It is an arithmetic number, because the mean of its divisors is an integer number (55702021737).

Almost surely, 2^111404043473 is an apocalyptic number.

It is an amenable number.

111404043473 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404043473 is an equidigital number, since it uses as much as digits as its factorization.

111404043473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 111404043473 its reverse (374340404111), we get a palindrome (485744447584).

The spelling of 111404043473 in words is "one hundred eleven billion, four hundred four million, forty-three thousand, four hundred seventy-three".