11920850860 has 48 divisors (see below), whose sum is σ = 25658015040. Its totient is φ = 4649564160.

The previous prime is 11920850813. The next prime is 11920850869. The reversal of 11920850860 is 6805802911.

It is not an unprimeable number, because it can be changed into a prime (11920850869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635681 + ... + 2640199.

It is an arithmetic number, because the mean of its divisors is an integer number (534541980).

Almost surely, 2^11920850860 is an apocalyptic number.

11920850860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11920850860 is an abundant number, since it is smaller than the sum of its proper divisors (13737164180).

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

11920850860 is a wasteful number, since it uses less digits than its factorization.

11920850860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7784 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 11920850860 in words is "eleven billion, nine hundred twenty million, eight hundred fifty thousand, eight hundred sixty".