11868223140 has 96 divisors (see below), whose sum is σ = 37082223360. Its totient is φ = 3151243008.

The previous prime is 11868223121. The next prime is 11868223181. The reversal of 11868223140 is 4132286811.

11868223140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11868223095 and 11868223104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78657 + ... + 172983.

It is an arithmetic number, because the mean of its divisors is an integer number (386273160).

Almost surely, 2^11868223140 is an apocalyptic number.

11868223140 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 11868223140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18541111680).

11868223140 is an abundant number, since it is smaller than the sum of its proper divisors (25214000220).

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

11868223140 is a wasteful number, since it uses less digits than its factorization.

11868223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94578 (or 94570 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 11868223140 in words is "eleven billion, eight hundred sixty-eight million, two hundred twenty-three thousand, one hundred forty".