11142544205 has 32 divisors (see below), whose sum is σ = 15510042240. Its totient is φ = 7613948160.

The previous prime is 11142544187. The next prime is 11142544213. The reversal of 11142544205 is 50244524111.

It is a happy number.

11142544205 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 11142544205 - 2³² = 6847576909 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, 51806 + ... + 158015.

It is an arithmetic number, because the mean of its divisors is an integer number (484688820).

Almost surely, 2^11142544205 is an apocalyptic number.

It is an amenable number.

11142544205 is a deficient number, since it is larger than the sum of its proper divisors (4367498035).

11142544205 is a wasteful number, since it uses less digits than its factorization.

11142544205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209901.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 11142544205 in words is "eleven billion, one hundred forty-two million, five hundred forty-four thousand, two hundred five".