11609222688 has 162 divisors, whose sum is σ = 38446111431. Its totient is φ = 3313263744.

The previous prime is 11609222663. The next prime is 11609222711. The reversal of 11609222688 is 88622290611.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

11609222688 is a `hidden beast` number, since 11 + 609 + 2 + 2 + 26 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5804611344 + 5804611344 = 76188^2 + 76188^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76188.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12799131 + ... + 12800037.

Almost surely, 2^11609222688 is an apocalyptic number.

11609222688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11609222688

11609222688 is an abundant number, since it is smaller than the sum of its proper divisors (26836888743).

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

11609222688 is an frugal number, since it uses more digits than its factorization.

11609222688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 11609222688 in words is "eleven billion, six hundred nine million, two hundred twenty-two thousand, six hundred eighty-eight".