111050511100055 has 16 divisors (see below), whose sum is σ = 133298255772864. Its totient is φ = 88815317099520.

The previous prime is 111050511100051. The next prime is 111050511100157. The reversal of 111050511100055 is 550001115050111.

It is not a de Polignac number, because 111050511100055 - 2² = 111050511100051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111050511099997 and 111050511100033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111050511100051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290333735 + ... + 290715975.

It is an arithmetic number, because the mean of its divisors is an integer number (8331140985804).

Almost surely, 2^{111050511100055} is an apocalyptic number.

111050511100055 is a deficient number, since it is larger than the sum of its proper divisors (22247744672809).

111050511100055 is a wasteful number, since it uses less digits than its factorization.

111050511100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398506.

The product of its (nonzero) digits is 625, while the sum is 26.

Adding to 111050511100055 its reverse (550001115050111), we get a palindrome (661051626150166).

The spelling of 111050511100055 in words is "one hundred eleven trillion, fifty billion, five hundred eleven million, one hundred thousand, fifty-five".