11315320140 has 48 divisors (see below), whose sum is σ = 32419715328. Its totient is φ = 2947245504.

The previous prime is 11315320129. The next prime is 11315320151. The reversal of 11315320140 is 4102351311.

It is an interprime number because it is at equal distance from previous prime (11315320129) and next prime (11315320151).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190312 + ... + 2195471.

It is an arithmetic number, because the mean of its divisors is an integer number (675410736).

Almost surely, 2^11315320140 is an apocalyptic number.

11315320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315320140 is an abundant number, since it is smaller than the sum of its proper divisors (21104395188).

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

11315320140 is a wasteful number, since it uses less digits than its factorization.

11315320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385838 (or 4385836 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11315320140 its reverse (4102351311), we get a palindrome (15417671451).

The spelling of 11315320140 in words is "eleven billion, three hundred fifteen million, three hundred twenty thousand, one hundred forty".