11324320140 has 48 divisors (see below), whose sum is σ = 36237825792. Its totient is φ = 2588415936.

The previous prime is 11324320099. The next prime is 11324320141. The reversal of 11324320140 is 4102342311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11324320141) 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, 13480914 + ... + 13481753.

It is an arithmetic number, because the mean of its divisors is an integer number (754954704).

Almost surely, 2^11324320140 is an apocalyptic number.

11324320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11324320140 is an abundant number, since it is smaller than the sum of its proper divisors (24913505652).

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

11324320140 is a wasteful number, since it uses less digits than its factorization.

11324320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26962686 (or 26962684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11324320140 its reverse (4102342311), we get a palindrome (15426662451).

The spelling of 11324320140 in words is "eleven billion, three hundred twenty-four million, three hundred twenty thousand, one hundred forty".