105798111 has 4 divisors (see below), whose sum is σ = 141064152. Its totient is φ = 70532072.

The previous prime is 105798109. The next prime is 105798131. The reversal of 105798111 is 111897501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105798111 - 2¹ = 105798109 is a prime.

It is a super-2 number, since 2×105798111² = 22386480582336642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105798131) 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, 17633016 + ... + 17633021.

It is an arithmetic number, because the mean of its divisors is an integer number (35266038).

Almost surely, 2^105798111 is an apocalyptic number.

105798111 is a deficient number, since it is larger than the sum of its proper divisors (35266041).

105798111 is an equidigital number, since it uses as much as digits as its factorization.

105798111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35266040.

The product of its (nonzero) digits is 2520, while the sum is 33.

The square root of 105798111 is about 10285.8208714716. The cubic root of 105798111 is about 472.9616975869.

It can be divided in two parts, 105 and 798111, that added together give a triangular number (798216 = T₁₂₆₃).

The spelling of 105798111 in words is "one hundred five million, seven hundred ninety-eight thousand, one hundred eleven".