1105170855 has 32 divisors (see below), whose sum is σ = 1800688320. Its totient is φ = 578657280.

The previous prime is 1105170841. The next prime is 1105170919. The reversal of 1105170855 is 5580715011.

It is not a de Polignac number, because 1105170855 - 2⁹ = 1105170343 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 739489 + ... + 740981.

It is an arithmetic number, because the mean of its divisors is an integer number (56271510).

Almost surely, 2^1105170855 is an apocalyptic number.

1105170855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105170855 is a deficient number, since it is larger than the sum of its proper divisors (695517465).

1105170855 is a wasteful number, since it uses less digits than its factorization.

1105170855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 7000, while the sum is 33.

The square root of 1105170855 is about 33244.1100798322. The cubic root of 1105170855 is about 1033.8950938443.

Adding to 1105170855 its reverse (5580715011), we get a palindrome (6685885866).

The spelling of 1105170855 in words is "one billion, one hundred five million, one hundred seventy thousand, eight hundred fifty-five".