105563155 has 16 divisors (see below), whose sum is σ = 129752064. Its totient is φ = 82424160.

The previous prime is 105563141. The next prime is 105563173. The reversal of 105563155 is 551365501.

It is not a de Polignac number, because 105563155 - 2¹⁵ = 105530387 is a prime.

It is a super-2 number, since 2×105563155² = 22287159387108050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35122 + ... + 38008.

It is an arithmetic number, because the mean of its divisors is an integer number (8109504).

Almost surely, 2^105563155 is an apocalyptic number.

105563155 is a deficient number, since it is larger than the sum of its proper divisors (24188909).

105563155 is a wasteful number, since it uses less digits than its factorization.

105563155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 105563155 is about 10274.3931694285. The cubic root of 105563155 is about 472.6113209708.

The spelling of 105563155 in words is "one hundred five million, five hundred sixty-three thousand, one hundred fifty-five".