1105605056085 has 32 divisors (see below), whose sum is σ = 1777991679360. Its totient is φ = 586651769088.

The previous prime is 1105605056053. The next prime is 1105605056089. The reversal of 1105605056085 is 5806505065011.

It is not a de Polignac number, because 1105605056085 - 2⁵ = 1105605056053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105605056089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4835731 + ... + 5059199.

It is an arithmetic number, because the mean of its divisors is an integer number (55562239980).

Almost surely, 2^{1105605056085} is an apocalyptic number.

1105605056085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105605056085 is a deficient number, since it is larger than the sum of its proper divisors (672386623275).

1105605056085 is a wasteful number, since it uses less digits than its factorization.

1105605056085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225157.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 1105605056085 in words is "one trillion, one hundred five billion, six hundred five million, fifty-six thousand, eighty-five".