111000106555 has 32 divisors (see below), whose sum is σ = 144516955968. Its totient is φ = 81359769600.

The previous prime is 111000106537. The next prime is 111000106559. The reversal of 111000106555 is 555601000111.

It is not a de Polignac number, because 111000106555 - 2⁹ = 111000106043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000106559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4797615 + ... + 4820695.

It is an arithmetic number, because the mean of its divisors is an integer number (4516154874).

Almost surely, 2^111000106555 is an apocalyptic number.

111000106555 is a deficient number, since it is larger than the sum of its proper divisors (33516849413).

111000106555 is a wasteful number, since it uses less digits than its factorization.

111000106555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 111000106555 its reverse (555601000111), we get a palindrome (666601106666).

The spelling of 111000106555 in words is "one hundred eleven billion, one hundred six thousand, five hundred fifty-five".