11142635436 has 36 divisors (see below), whose sum is σ = 28853088264. Its totient is φ = 3623620800.

The previous prime is 11142635429. The next prime is 11142635479. The reversal of 11142635436 is 63453624111.

11142635436 is a `hidden beast` number, since 1 + 1 + 14 + 2 + 635 + 4 + 3 + 6 = 666.

11142635436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11142635436.

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 11 ways as a sum of consecutive naturals, for example, 3773130 + ... + 3776081.

It is an arithmetic number, because the mean of its divisors is an integer number (801474674).

Almost surely, 2^11142635436 is an apocalyptic number.

It is an amenable number.

11142635436 is an abundant number, since it is smaller than the sum of its proper divisors (17710452828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142635436 is a wasteful number, since it uses less digits than its factorization.

11142635436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549262 (or 7549257 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 11142635436 in words is "eleven billion, one hundred forty-two million, six hundred thirty-five thousand, four hundred thirty-six".