11381122326 has 64 divisors (see below), whose sum is σ = 27188743680. Its totient is φ = 3107220480.

The previous prime is 11381122271. The next prime is 11381122327. The reversal of 11381122326 is 62322118311.

It is a junction number, because it is equal to n+sod(n) for n = 11381122293 and 11381122302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381122327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69981 + ... + 166311.

It is an arithmetic number, because the mean of its divisors is an integer number (424824120).

Almost surely, 2^11381122326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11381122326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13594371840).

11381122326 is an abundant number, since it is smaller than the sum of its proper divisors (15807621354).

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

11381122326 is a wasteful number, since it uses less digits than its factorization.

11381122326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96469.

The product of its digits is 3456, while the sum is 30.

The spelling of 11381122326 in words is "eleven billion, three hundred eighty-one million, one hundred twenty-two thousand, three hundred twenty-six".