11421440144442 has 24 divisors (see below), whose sum is σ = 25662988967616. Its totient is φ = 3807146714652.

The previous prime is 11421440144441. The next prime is 11421440144467. The reversal of 11421440144442 is 24444104412411.

11421440144442 is a `hidden beast` number, since 1 + 14 + 21 + 4 + 40 + 144 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11421440144397 and 11421440144406.

It is not an unprimeable number, because it can be changed into a prime (11421440144441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11750452338 + ... + 11750453309.

It is an arithmetic number, because the mean of its divisors is an integer number (1069291206984).

Almost surely, 2^{11421440144442} is an apocalyptic number.

11421440144442 is an abundant number, since it is smaller than the sum of its proper divisors (14241548823174).

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

11421440144442 is an equidigital number, since it uses as much as digits as its factorization.

11421440144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23500905664 (or 23500905652 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 36.

Adding to 11421440144442 its reverse (24444104412411), we get a palindrome (35865544556853).

The spelling of 11421440144442 in words is "eleven trillion, four hundred twenty-one billion, four hundred forty million, one hundred forty-four thousand, four hundred forty-two".