11085310805 has 16 divisors (see below), whose sum is σ = 13888312704. Its totient is φ = 8478043200.

The previous prime is 11085310787. The next prime is 11085310807. The reversal of 11085310805 is 50801358011.

It is a happy number.

It is not a de Polignac number, because 11085310805 - 2¹⁴ = 11085294421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085310807) 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, 193262 + ... + 243968.

It is an arithmetic number, because the mean of its divisors is an integer number (868019544).

Almost surely, 2^11085310805 is an apocalyptic number.

It is an amenable number.

11085310805 is a deficient number, since it is larger than the sum of its proper divisors (2803001899).

11085310805 is a wasteful number, since it uses less digits than its factorization.

11085310805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52636.

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 11085310805 its reverse (50801358011), we get a palindrome (61886668816).

The spelling of 11085310805 in words is "eleven billion, eighty-five million, three hundred ten thousand, eight hundred five".