105611051055 has 8 divisors (see below), whose sum is σ = 168977681712. Its totient is φ = 56325893888.

The previous prime is 105611051053. The next prime is 105611051057. The reversal of 105611051055 is 550150116501.

It is an interprime number because it is at equal distance from previous prime (105611051053) and next prime (105611051057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105611051055 - 2¹ = 105611051053 is a prime.

It is a super-2 number, since 2×105611051055² (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 (105611051053) 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 7 ways as a sum of consecutive naturals, for example, 3520368354 + ... + 3520368383.

It is an arithmetic number, because the mean of its divisors is an integer number (21122210214).

Almost surely, 2^105611051055 is an apocalyptic number.

105611051055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105611051055 is a deficient number, since it is larger than the sum of its proper divisors (63366630657).

105611051055 is an equidigital number, since it uses as much as digits as its factorization.

105611051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040736745.

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

Adding to 105611051055 its reverse (550150116501), we get a palindrome (655761167556).

The spelling of 105611051055 in words is "one hundred five billion, six hundred eleven million, fifty-one thousand, fifty-five".