11131323340 has 48 divisors (see below), whose sum is σ = 24426134208. Its totient is φ = 4253001984.

The previous prime is 11131323289. The next prime is 11131323341. The reversal of 11131323340 is 4332313111.

It is not an unprimeable number, because it can be changed into a prime (11131323341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320674 + ... + 353686.

It is an arithmetic number, because the mean of its divisors is an integer number (508877796).

Almost surely, 2^11131323340 is an apocalyptic number.

11131323340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11131323340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12213067104).

11131323340 is an abundant number, since it is smaller than the sum of its proper divisors (13294810868).

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

11131323340 is a wasteful number, since it uses less digits than its factorization.

11131323340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33778 (or 33776 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11131323340 its reverse (4332313111), we get a palindrome (15463636451).

The spelling of 11131323340 in words is "eleven billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred forty".