11115231522 has 16 divisors (see below), whose sum is σ = 22231601280. Its totient is φ = 3704887472.

The previous prime is 11115231503. The next prime is 11115231529. The reversal of 11115231522 is 22513251111.

It is a junction number, because it is equal to n+sod(n) for n = 11115231492 and 11115231501.

It is not an unprimeable number, because it can be changed into a prime (11115231529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131383 + ... + 198725.

It is an arithmetic number, because the mean of its divisors is an integer number (1389475080).

Almost surely, 2^11115231522 is an apocalyptic number.

11115231522 is an abundant number, since it is smaller than the sum of its proper divisors (11116369758).

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

11115231522 is a wasteful number, since it uses less digits than its factorization.

11115231522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94857.

The product of its digits is 600, while the sum is 24.

Adding to 11115231522 its reverse (22513251111), we get a palindrome (33628482633).

The spelling of 11115231522 in words is "eleven billion, one hundred fifteen million, two hundred thirty-one thousand, five hundred twenty-two".