1085530803 has 16 divisors (see below), whose sum is σ = 1657067520. Its totient is φ = 619206336.

The previous prime is 1085530739. The next prime is 1085530811. The reversal of 1085530803 is 3080355801.

It is not a de Polignac number, because 1085530803 - 2⁶ = 1085530739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085530843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33475 + ... + 57372.

It is an arithmetic number, because the mean of its divisors is an integer number (103566720).

Almost surely, 2^1085530803 is an apocalyptic number.

1085530803 is a deficient number, since it is larger than the sum of its proper divisors (571536717).

1085530803 is an equidigital number, since it uses as much as digits as its factorization.

1085530803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91426.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1085530803 is about 32947.3944796853. The cubic root of 1085530803 is about 1027.7339830970.

The spelling of 1085530803 in words is "one billion, eighty-five million, five hundred thirty thousand, eight hundred three".