11940724218 has 16 divisors (see below), whose sum is σ = 23882916960. Its totient is φ = 3979996656.

The previous prime is 11940724207. The next prime is 11940724241. The reversal of 11940724218 is 81242704911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64321 + ... + 167387.

It is an arithmetic number, because the mean of its divisors is an integer number (1492682310).

Almost surely, 2^11940724218 is an apocalyptic number.

11940724218 is an abundant number, since it is smaller than the sum of its proper divisors (11942192742).

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

11940724218 is a wasteful number, since it uses less digits than its factorization.

11940724218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122381.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 11940724218 in words is "eleven billion, nine hundred forty million, seven hundred twenty-four thousand, two hundred eighteen".