11100000005 has 24 divisors (see below), whose sum is σ = 13698156888. Its totient is φ = 8634587136.

The previous prime is 11100000001. The next prime is 11100000007. The reversal of 11100000005 is 50000000111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 573650401 + 10526349604 = 23951^2 + 102598^2 .

It is not a de Polignac number, because 11100000005 - 2² = 11100000001 is a prime.

It is a super-2 number, since 2×11100000005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11099999938 and 11100000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100000001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2151509 + ... + 2156661.

It is an arithmetic number, because the mean of its divisors is an integer number (570756537).

Almost surely, 2^11100000005 is an apocalyptic number.

It is an amenable number.

11100000005 is a deficient number, since it is larger than the sum of its proper divisors (2598156883).

11100000005 is an equidigital number, since it uses as much as digits as its factorization.

11100000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

Adding to 11100000005 its reverse (50000000111), we get a palindrome (61100000116).

The spelling of 11100000005 in words is "eleven billion, one hundred million, five", and thus it is an aban number.