11109717632 has 64 divisors (see below), whose sum is σ = 24103283400. Its totient is φ = 5069881344.

The previous prime is 11109717629. The next prime is 11109717667. The reversal of 11109717632 is 23671790111.

It can be written as a sum of positive squares in 4 ways, for example, as 4363395136 + 6746322496 = 66056^2 + 82136^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110588 + ... + 185604.

Almost surely, 2^11109717632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11109717632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12051641700).

11109717632 is an abundant number, since it is smaller than the sum of its proper divisors (12993565768).

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

11109717632 is an equidigital number, since it uses as much as digits as its factorization.

11109717632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75133 (or 75121 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 38.

The spelling of 11109717632 in words is "eleven billion, one hundred nine million, seven hundred seventeen thousand, six hundred thirty-two".