111105111011055 has 32 divisors (see below), whose sum is σ = 204714499004928. Its totient is φ = 50403191030400.

The previous prime is 111105111010997. The next prime is 111105111011071. The reversal of 111105111011055 is 550110111501111.

It is not a de Polignac number, because 111105111011055 - 2¹² = 111105111006959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4038703476 + ... + 4038730985.

It is an arithmetic number, because the mean of its divisors is an integer number (6397328093904).

Almost surely, 2^{111105111011055} is an apocalyptic number.

111105111011055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111105111011055 is a deficient number, since it is larger than the sum of its proper divisors (93609387993873).

111105111011055 is a wasteful number, since it uses less digits than its factorization.

111105111011055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077434607.

The product of its (nonzero) digits is 125, while the sum is 24.

Adding to 111105111011055 its reverse (550110111501111), we get a palindrome (661215222512166).

The spelling of 111105111011055 in words is "one hundred eleven trillion, one hundred five billion, one hundred eleven million, eleven thousand, fifty-five".