11287222650 has 288 divisors, whose sum is σ = 35645575680. Its totient is φ = 2531088000.

The previous prime is 11287222649. The next prime is 11287222651. The reversal of 11287222650 is 5622278211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11287222649) and next prime (11287222651).

It is not an unprimeable number, because it can be changed into a prime (11287222651) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4042755 + ... + 4045545.

It is an arithmetic number, because the mean of its divisors is an integer number (123769360).

Almost surely, 2^11287222650 is an apocalyptic number.

11287222650 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 11287222650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17822787840).

11287222650 is an abundant number, since it is smaller than the sum of its proper divisors (24358353030).

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

11287222650 is a wasteful number, since it uses less digits than its factorization.

11287222650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 11287222650 in words is "eleven billion, two hundred eighty-seven million, two hundred twenty-two thousand, six hundred fifty".