1085005559 has 16 divisors (see below), whose sum is σ = 1208196000. Its totient is φ = 965976960.

The previous prime is 1085005553. The next prime is 1085005561. The reversal of 1085005559 is 9555005801.

It is a cyclic number.

It is not a de Polignac number, because 1085005559 - 2⁴ = 1085005543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085005553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393317 + ... + 396065.

It is an arithmetic number, because the mean of its divisors is an integer number (75512250).

Almost surely, 2^1085005559 is an apocalyptic number.

1085005559 is a deficient number, since it is larger than the sum of its proper divisors (123190441).

1085005559 is a wasteful number, since it uses less digits than its factorization.

1085005559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 45000, while the sum is 38.

The square root of 1085005559 is about 32939.4225662807. The cubic root of 1085005559 is about 1027.5681968616.

The spelling of 1085005559 in words is "one billion, eighty-five million, five thousand, five hundred fifty-nine".