11365657722 has 48 divisors (see below), whose sum is σ = 25587237312. Its totient is φ = 3781196640.

The previous prime is 11365657711. The next prime is 11365657729. The reversal of 11365657722 is 22775656311.

It is a happy number.

11365657722 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 56 + 577 + 22 = 666.

11365657722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11365657729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230763 + ... + 275649.

It is an arithmetic number, because the mean of its divisors is an integer number (533067444).

Almost surely, 2^11365657722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11365657722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12793618656).

11365657722 is an abundant number, since it is smaller than the sum of its proper divisors (14221579590).

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

11365657722 is an equidigital number, since it uses as much as digits as its factorization.

11365657722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45425 (or 45413 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 11365657722 in words is "eleven billion, three hundred sixty-five million, six hundred fifty-seven thousand, seven hundred twenty-two".