11636422042 has 8 divisors (see below), whose sum is σ = 19948152096. Its totient is φ = 4987038012.

The previous prime is 11636422033. The next prime is 11636422097. The reversal of 11636422042 is 24022463611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11636421995 and 11636422013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415586488 + ... + 415586515.

It is an arithmetic number, because the mean of its divisors is an integer number (2493519012).

Almost surely, 2^11636422042 is an apocalyptic number.

11636422042 is a deficient number, since it is larger than the sum of its proper divisors (8311730054).

11636422042 is an equidigital number, since it uses as much as digits as its factorization.

11636422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831173012.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 11636422042 its reverse (24022463611), we get a palindrome (35658885653).

The spelling of 11636422042 in words is "eleven billion, six hundred thirty-six million, four hundred twenty-two thousand, forty-two".