11136815205 has 32 divisors (see below), whose sum is σ = 18245260800. Its totient is φ = 5798172672.

The previous prime is 11136815191. The next prime is 11136815213. The reversal of 11136815205 is 50251863111.

It is a happy number.

11136815205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11136815205 - 2¹² = 11136811109 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 253941 + ... + 294549.

It is an arithmetic number, because the mean of its divisors is an integer number (570164400).

Almost surely, 2^11136815205 is an apocalyptic number.

11136815205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11136815205 is a deficient number, since it is larger than the sum of its proper divisors (7108445595).

11136815205 is a wasteful number, since it uses less digits than its factorization.

11136815205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41053.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 11136815205 in words is "eleven billion, one hundred thirty-six million, eight hundred fifteen thousand, two hundred five".