11321440050 has 48 divisors (see below), whose sum is σ = 28239531840. Its totient is φ = 3001592640.

The previous prime is 11321440021. The next prime is 11321440061. The reversal of 11321440050 is 5004412311.

It is a junction number, because it is equal to n+sod(n) for n = 11321439999 and 11321440026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192190 + ... + 244089.

It is an arithmetic number, because the mean of its divisors is an integer number (588323580).

Almost surely, 2^11321440050 is an apocalyptic number.

11321440050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321440050 is an abundant number, since it is smaller than the sum of its proper divisors (16918091790).

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

11321440050 is a wasteful number, since it uses less digits than its factorization.

11321440050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436467 (or 436462 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11321440050 its reverse (5004412311), we get a palindrome (16325852361).

The spelling of 11321440050 in words is "eleven billion, three hundred twenty-one million, four hundred forty thousand, fifty".