111100510611055 has 16 divisors (see below), whose sum is σ = 153874992919104. Its totient is φ = 75428918092800.

The previous prime is 111100510610977. The next prime is 111100510611089. The reversal of 111100510611055 is 550116015001111.

It is not a de Polignac number, because 111100510611055 - 2⁴⁵ = 75916138522223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15714354402 + ... + 15714361471.

It is an arithmetic number, because the mean of its divisors is an integer number (9617187057444).

Almost surely, 2^{111100510611055} is an apocalyptic number.

111100510611055 is a deficient number, since it is larger than the sum of its proper divisors (42774482308049).

111100510611055 is a wasteful number, since it uses less digits than its factorization.

111100510611055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428715986.

The product of its (nonzero) digits is 750, while the sum is 28.

Adding to 111100510611055 its reverse (550116015001111), we get a palindrome (661216525612166).

The spelling of 111100510611055 in words is "one hundred eleven trillion, one hundred billion, five hundred ten million, six hundred eleven thousand, fifty-five".