11225320650 has 144 divisors (see below), whose sum is σ = 32267919840. Its totient is φ = 2789251200.

The previous prime is 11225320621. The next prime is 11225320651. The reversal of 11225320650 is 5602352211.

It is a happy number.

11225320650 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 5 + 3 + 2 + 0 + 650 = 666.

It is not an unprimeable number, because it can be changed into a prime (11225320651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 510789 + ... + 532311.

Almost surely, 2^11225320650 is an apocalyptic number.

11225320650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11225320650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16133959920).

11225320650 is an abundant number, since it is smaller than the sum of its proper divisors (21042599190).

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

11225320650 is a wasteful number, since it uses less digits than its factorization.

11225320650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621 (or 21613 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11225320650 its reverse (5602352211), we get a palindrome (16827672861).

The spelling of 11225320650 in words is "eleven billion, two hundred twenty-five million, three hundred twenty thousand, six hundred fifty".