11421104144 has 20 divisors (see below), whose sum is σ = 22160809296. Its totient is φ = 5702185632.

The previous prime is 11421104141. The next prime is 11421104153. The reversal of 11421104144 is 44140112411.

It is not an unprimeable number, because it can be changed into a prime (11421104141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511634 + ... + 533489.

Almost surely, 2^11421104144 is an apocalyptic number.

It is an amenable number.

11421104144 is a deficient number, since it is larger than the sum of its proper divisors (10739705152).

11421104144 is a wasteful number, since it uses less digits than its factorization.

11421104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045814 (or 1045808 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 11421104144 its reverse (44140112411), we get a palindrome (55561216555).

The spelling of 11421104144 in words is "eleven billion, four hundred twenty-one million, one hundred four thousand, one hundred forty-four".