1085102011 has 6 divisors (see below), whose sum is σ = 1262261580. Its totient is φ = 930087396.

The previous prime is 1085101987. The next prime is 1085102041. The reversal of 1085102011 is 1102015801.

It is a happy number.

It is not a de Polignac number, because 1085102011 - 2¹¹ = 1085099963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085102011.

It is not an unprimeable number, because it can be changed into a prime (1085102041) 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 5 ways as a sum of consecutive naturals, for example, 11072421 + ... + 11072518.

It is an arithmetic number, because the mean of its divisors is an integer number (210376930).

Almost surely, 2^1085102011 is an apocalyptic number.

1085102011 is a deficient number, since it is larger than the sum of its proper divisors (177159569).

1085102011 is an equidigital number, since it uses as much as digits as its factorization.

1085102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22144953 (or 22144946 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 1085102011 is about 32940.8866152689. The cubic root of 1085102011 is about 1027.5986446537.

Adding to 1085102011 its reverse (1102015801), we get a palindrome (2187117812).

The spelling of 1085102011 in words is "one billion, eighty-five million, one hundred two thousand, eleven".