1085112180 has 48 divisors (see below), whose sum is σ = 3375906240. Its totient is φ = 289363104.

The previous prime is 1085112179. The next prime is 1085112187. The reversal of 1085112180 is 812115801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085112187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1004194 + ... + 1005273.

It is an arithmetic number, because the mean of its divisors is an integer number (70331380).

Almost surely, 2^1085112180 is an apocalyptic number.

1085112180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085112180 is an abundant number, since it is smaller than the sum of its proper divisors (2290794060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085112180 is a wasteful number, since it uses less digits than its factorization.

1085112180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009485 (or 2009477 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 27.

The square root of 1085112180 is about 32941.0409671583. The cubic root of 1085112180 is about 1027.6018546800.

Adding to 1085112180 its reverse (812115801), we get a palindrome (1897227981).

The spelling of 1085112180 in words is "one billion, eighty-five million, one hundred twelve thousand, one hundred eighty".