11421444220432 has 10 divisors (see below), whose sum is σ = 22129048177118. Its totient is φ = 5710722110208.

The previous prime is 11421444220349. The next prime is 11421444220451. The reversal of 11421444220432 is 23402244412411.

It can be written as a sum of positive squares in only one way, i.e., 9022117571856 + 2399326648576 = 3003684^2 + 1548976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356920131873 + ... + 356920131904.

Almost surely, 2^{11421444220432} is an apocalyptic number.

It is an amenable number.

11421444220432 is a deficient number, since it is larger than the sum of its proper divisors (10707603956686).

11421444220432 is an equidigital number, since it uses as much as digits as its factorization.

11421444220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713840263785 (or 713840263779 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 11421444220432 its reverse (23402244412411), we get a palindrome (34823688632843).

The spelling of 11421444220432 in words is "eleven trillion, four hundred twenty-one billion, four hundred forty-four million, two hundred twenty thousand, four hundred thirty-two".