11142635405 has 32 divisors (see below), whose sum is σ = 15413207040. Its totient is φ = 7647842880.

The previous prime is 11142635401. The next prime is 11142635419. The reversal of 11142635405 is 50453624111.

11142635405 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 11142635405 - 2² = 11142635401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142635401) by changing a digit.

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, 254564 + ... + 295106.

It is an arithmetic number, because the mean of its divisors is an integer number (481662720).

Almost surely, 2^11142635405 is an apocalyptic number.

It is an amenable number.

11142635405 is a deficient number, since it is larger than the sum of its proper divisors (4270571635).

11142635405 is a wasteful number, since it uses less digits than its factorization.

11142635405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40841.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11142635405 in words is "eleven billion, one hundred forty-two million, six hundred thirty-five thousand, four hundred five".