1105790865 has 16 divisors (see below), whose sum is σ = 1777655616. Its totient is φ = 586958400.

The previous prime is 1105790837. The next prime is 1105790879. The reversal of 1105790865 is 5680975011.

It is not a de Polignac number, because 1105790865 - 2³⁰ = 32049041 is a prime.

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, 171526 + ... + 177855.

It is an arithmetic number, because the mean of its divisors is an integer number (111103476).

Almost surely, 2^1105790865 is an apocalyptic number.

1105790865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105790865 is a deficient number, since it is larger than the sum of its proper divisors (671864751).

1105790865 is a wasteful number, since it uses less digits than its factorization.

1105790865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349600.

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 1105790865 is about 33253.4338828338. The cubic root of 1105790865 is about 1034.0883989362.

It can be divided in two parts, 110 and 5790865, that added together give a palindrome (5790975).

The spelling of 1105790865 in words is "one billion, one hundred five million, seven hundred ninety thousand, eight hundred sixty-five".