1085528085 has 32 divisors (see below), whose sum is σ = 1802035200. Its totient is φ = 557409600.

The previous prime is 1085528069. The next prime is 1085528111. The reversal of 1085528085 is 5808255801.

It is not a de Polignac number, because 1085528085 - 2⁴ = 1085528069 is a prime.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 86670 + ... + 98400.

It is an arithmetic number, because the mean of its divisors is an integer number (56313600).

Almost surely, 2^1085528085 is an apocalyptic number.

1085528085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085528085 is a deficient number, since it is larger than the sum of its proper divisors (716507115).

1085528085 is a wasteful number, since it uses less digits than its factorization.

1085528085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969.

The product of its (nonzero) digits is 128000, while the sum is 42.

The square root of 1085528085 is about 32947.3532320883. The cubic root of 1085528085 is about 1027.7331253344.

The spelling of 1085528085 in words is "one billion, eighty-five million, five hundred twenty-eight thousand, eighty-five".