11184450838 has 12 divisors (see below), whose sum is σ = 18440479260. Its totient is φ = 5083841180.

The previous prime is 11184450821. The next prime is 11184450853. The reversal of 11184450838 is 83805448111.

It is a junction number, because it is equal to n+sod(n) for n = 11184450794 and 11184450803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23108128 + ... + 23108611.

It is an arithmetic number, because the mean of its divisors is an integer number (1536706605).

Almost surely, 2^11184450838 is an apocalyptic number.

11184450838 is a deficient number, since it is larger than the sum of its proper divisors (7256028422).

11184450838 is a wasteful number, since it uses less digits than its factorization.

11184450838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46216763 (or 46216752 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

Adding to 11184450838 its reverse (83805448111), we get a palindrome (94989898949).

The spelling of 11184450838 in words is "eleven billion, one hundred eighty-four million, four hundred fifty thousand, eight hundred thirty-eight".