105520775 has 12 divisors (see below), whose sum is σ = 137733000. Its totient is φ = 79973280.

The previous prime is 105520769. The next prime is 105520783. The reversal of 105520775 is 577025501.

It is not a de Polignac number, because 105520775 - 2⁴ = 105520759 is a prime.

It is a super-2 number, since 2×105520775² = 22269267913201250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110600 + ... + 111549.

It is an arithmetic number, because the mean of its divisors is an integer number (11477750).

Almost surely, 2^105520775 is an apocalyptic number.

105520775 is a deficient number, since it is larger than the sum of its proper divisors (32212225).

105520775 is a wasteful number, since it uses less digits than its factorization.

105520775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222178 (or 222173 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 105520775 is about 10272.3305534820. The cubic root of 105520775 is about 472.5480667393.

The spelling of 105520775 in words is "one hundred five million, five hundred twenty thousand, seven hundred seventy-five".