11443281798 has 32 divisors (see below), whose sum is σ = 24663937536. Its totient is φ = 3518599968.

The previous prime is 11443281779. The next prime is 11443281821. The reversal of 11443281798 is 89718234411.

It is a super-2 number, since 2×11443281798² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 66211 + ... + 165137.

It is an arithmetic number, because the mean of its divisors is an integer number (770748048).

Almost surely, 2^11443281798 is an apocalyptic number.

11443281798 is an abundant number, since it is smaller than the sum of its proper divisors (13220655738).

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

11443281798 is a wasteful number, since it uses less digits than its factorization.

11443281798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100428.

The product of its digits is 387072, while the sum is 48.

The spelling of 11443281798 in words is "eleven billion, four hundred forty-three million, two hundred eighty-one thousand, seven hundred ninety-eight".