105611111056 has 20 divisors (see below), whose sum is σ = 223223485104. Its totient is φ = 48005050400.

The previous prime is 105611110951. The next prime is 105611111059. The reversal of 105611111056 is 650111116501.

It is a super-2 number, since 2×105611111056² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105611111059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300031390 + ... + 300031741.

Almost surely, 2^105611111056 is an apocalyptic number.

105611111056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105611111056 is an abundant number, since it is smaller than the sum of its proper divisors (117612374048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105611111056 is a wasteful number, since it uses less digits than its factorization.

105611111056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600063150 (or 600063144 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 105611111056 its reverse (650111116501), we get a palindrome (755722227557).

Subtracting 105611111056 from its reverse (650111116501), we obtain a palindrome (544500005445).

The spelling of 105611111056 in words is "one hundred five billion, six hundred eleven million, one hundred eleven thousand, fifty-six".