11013561105 has 16 divisors (see below), whose sum is σ = 17783367360. Its totient is φ = 5820009408.

The previous prime is 11013561079. The next prime is 11013561113. The reversal of 11013561105 is 50116531011.

It is a happy number.

It is not a de Polignac number, because 11013561105 - 2⁸ = 11013560849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366427 + ... + 3369696.

It is an arithmetic number, because the mean of its divisors is an integer number (1111460460).

Almost surely, 2^11013561105 is an apocalyptic number.

11013561105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11013561105 is a deficient number, since it is larger than the sum of its proper divisors (6769806255).

11013561105 is a wasteful number, since it uses less digits than its factorization.

11013561105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736240.

The product of its (nonzero) digits is 450, while the sum is 24.

The spelling of 11013561105 in words is "eleven billion, thirteen million, five hundred sixty-one thousand, one hundred five".