1105405105 has 16 divisors (see below), whose sum is σ = 1530998784. Its totient is φ = 750484800.

The previous prime is 1105405087. The next prime is 1105405159. The reversal of 1105405105 is 5015045011.

It is a happy number.

It is not a de Polignac number, because 1105405105 - 2¹⁷ = 1105274033 is a prime.

It is a super-2 number, since 2×1105405105² = 2443840892320122050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 152817 + ... + 159886.

It is an arithmetic number, because the mean of its divisors is an integer number (95687424).

Almost surely, 2^1105405105 is an apocalyptic number.

It is an amenable number.

1105405105 is a deficient number, since it is larger than the sum of its proper divisors (425593679).

1105405105 is a wasteful number, since it uses less digits than its factorization.

1105405105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312816.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1105405105 is about 33247.6330736490. The cubic root of 1105405105 is about 1033.9681361905.

The spelling of 1105405105 in words is "one billion, one hundred five million, four hundred five thousand, one hundred five".