11421244032 has 128 divisors (see below), whose sum is σ = 33562667520. Its totient is φ = 3412147200.

The previous prime is 11421244019. The next prime is 11421244057. The reversal of 11421244032 is 23044212411.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11421243993 and 11421244011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280863 + ... + 318945.

It is an arithmetic number, because the mean of its divisors is an integer number (262208340).

Almost surely, 2^11421244032 is an apocalyptic number.

11421244032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421244032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16781333760).

11421244032 is an abundant number, since it is smaller than the sum of its proper divisors (22141423488).

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

11421244032 is a wasteful number, since it uses less digits than its factorization.

11421244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38182 (or 38170 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11421244032 its reverse (23044212411), we get a palindrome (34465456443).

The spelling of 11421244032 in words is "eleven billion, four hundred twenty-one million, two hundred forty-four thousand, thirty-two".