111804555011 has 2 divisors, whose sum is σ = 111804555012. Its totient is φ = 111804555010.

The previous prime is 111804555001. The next prime is 111804555077. The reversal of 111804555011 is 110555408111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111804555011 - 2¹⁸ = 111804292867 is a prime.

It is not a weakly prime, because it can be changed into another prime (111804555001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55902277505 + 55902277506.

It is an arithmetic number, because the mean of its divisors is an integer number (55902277506).

Almost surely, 2^111804555011 is an apocalyptic number.

111804555011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111804555011 is an equidigital number, since it uses as much as digits as its factorization.

111804555011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 32.

The spelling of 111804555011 in words is "one hundred eleven billion, eight hundred four million, five hundred fifty-five thousand, eleven".