11312343040 has 96 divisors (see below), whose sum is σ = 27197614080. Its totient is φ = 4515840000.

The previous prime is 11312343011. The next prime is 11312343059. The reversal of 11312343040 is 4034321311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7689505 + ... + 7690975.

It is an arithmetic number, because the mean of its divisors is an integer number (283308480).

Almost surely, 2^11312343040 is an apocalyptic number.

11312343040 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 11312343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13598807040).

11312343040 is an abundant number, since it is smaller than the sum of its proper divisors (15885271040).

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

11312343040 is an equidigital number, since it uses as much as digits as its factorization.

11312343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11312343040 its reverse (4034321311), we get a palindrome (15346664351).

The spelling of 11312343040 in words is "eleven billion, three hundred twelve million, three hundred forty-three thousand, forty".