11321005650 has 48 divisors (see below), whose sum is σ = 28085702400. Its totient is φ = 3017901760.

The previous prime is 11321005627. The next prime is 11321005673. The reversal of 11321005650 is 5650012311.

It is an interprime number because it is at equal distance from previous prime (11321005627) and next prime (11321005673).

It is a self number, because there is not a number n which added to its sum of digits gives 11321005650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492616 + ... + 515084.

It is an arithmetic number, because the mean of its divisors is an integer number (585118800).

Almost surely, 2^11321005650 is an apocalyptic number.

11321005650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321005650 is an abundant number, since it is smaller than the sum of its proper divisors (16764696750).

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

11321005650 is a wasteful number, since it uses less digits than its factorization.

11321005650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843 (or 25838 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11321005650 its reverse (5650012311), we get a palindrome (16971017961).

The spelling of 11321005650 in words is "eleven billion, three hundred twenty-one million, five thousand, six hundred fifty".