105056111055 has 32 divisors (see below), whose sum is σ = 192122532864. Its totient is φ = 48020668416.

The previous prime is 105056111021. The next prime is 105056111059. The reversal of 105056111055 is 550111650501.

It is not a de Polignac number, because 105056111055 - 2⁸ = 105056110799 is a prime.

It is a super-2 number, since 2×105056111055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105056111059) 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, 1082542 + ... + 1175588.

It is an arithmetic number, because the mean of its divisors is an integer number (6003829152).

Almost surely, 2^105056111055 is an apocalyptic number.

105056111055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105056111055 is a deficient number, since it is larger than the sum of its proper divisors (87066421809).

105056111055 is a wasteful number, since it uses less digits than its factorization.

105056111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103815.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 105056111055 its reverse (550111650501), we get a palindrome (655167761556).

The spelling of 105056111055 in words is "one hundred five billion, fifty-six million, one hundred eleven thousand, fifty-five".