11421814042 has 16 divisors (see below), whose sum is σ = 17236739520. Its totient is φ = 5676339168.

The previous prime is 11421814039. The next prime is 11421814081. The reversal of 11421814042 is 24041812411.

It is a self number, because there is not a number n which added to its sum of digits gives 11421814042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194518 + ... + 246334.

It is an arithmetic number, because the mean of its divisors is an integer number (1077296220).

Almost surely, 2^11421814042 is an apocalyptic number.

11421814042 is a deficient number, since it is larger than the sum of its proper divisors (5814925478).

11421814042 is a wasteful number, since it uses less digits than its factorization.

11421814042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52485.

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 11421814042 in words is "eleven billion, four hundred twenty-one million, eight hundred fourteen thousand, forty-two".