11031366522 has 96 divisors (see below), whose sum is σ = 25944966144. Its totient is φ = 3099204000.

The previous prime is 11031366497. The next prime is 11031366557. The reversal of 11031366522 is 22566313011.

It is a self number, because there is not a number n which added to its sum of digits gives 11031366522.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1114897 + ... + 1124747.

It is an arithmetic number, because the mean of its divisors is an integer number (270260064).

Almost surely, 2^11031366522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031366522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12972483072).

11031366522 is an abundant number, since it is smaller than the sum of its proper divisors (14913599622).

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

11031366522 is a wasteful number, since it uses less digits than its factorization.

11031366522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 9933 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 11031366522 its reverse (22566313011), we get a palindrome (33597679533).

The spelling of 11031366522 in words is "eleven billion, thirty-one million, three hundred sixty-six thousand, five hundred twenty-two".