105111055 has 8 divisors (see below), whose sum is σ = 144152352. Its totient is φ = 72076128.

The previous prime is 105111023. The next prime is 105111077. The reversal of 105111055 is 550111501.

It is a happy number.

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 105111055 - 2⁵ = 105111023 is a prime.

It is a super-2 number, since 2×105111055² = 22096667766426050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501552 + ... + 1501621.

It is an arithmetic number, because the mean of its divisors is an integer number (18019044).

Almost surely, 2^105111055 is an apocalyptic number.

105111055 is a deficient number, since it is larger than the sum of its proper divisors (39041297).

105111055 is an equidigital number, since it uses as much as digits as its factorization.

105111055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003185.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 105111055 is about 10252.3682629917. The cubic root of 105111055 is about 471.9356643495.

Adding to 105111055 its reverse (550111501), we get a palindrome (655222556).

It can be divided in two parts, 10511105 and 5, that multiplied together give a palindrome (52555525).

The spelling of 105111055 in words is "one hundred five million, one hundred eleven thousand, fifty-five".