11121370806 has 32 divisors (see below), whose sum is σ = 27375683328. Its totient is φ = 2933108640.

The previous prime is 11121370801. The next prime is 11121370829. The reversal of 11121370806 is 60807312111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121370801) 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, 10183860 + ... + 10184951.

It is an arithmetic number, because the mean of its divisors is an integer number (855490104).

Almost surely, 2^11121370806 is an apocalyptic number.

11121370806 is an abundant number, since it is smaller than the sum of its proper divisors (16254312522).

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

11121370806 is a wasteful number, since it uses less digits than its factorization.

11121370806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368836.

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 11121370806 its reverse (60807312111), we get a palindrome (71928682917).

The spelling of 11121370806 in words is "eleven billion, one hundred twenty-one million, three hundred seventy thousand, eight hundred six".