11903817606 has 8 divisors (see below), whose sum is σ = 23807635224. Its totient is φ = 3967939200.

The previous prime is 11903817577. The next prime is 11903817619. The reversal of 11903817606 is 60671830911.

11903817606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

11903817606 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 991984795 + ... + 991984806.

It is an arithmetic number, because the mean of its divisors is an integer number (2975954403).

Almost surely, 2^11903817606 is an apocalyptic number.

11903817606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11903817606 is a wasteful number, since it uses less digits than its factorization.

11903817606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983969606.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 11903817606 in words is "eleven billion, nine hundred three million, eight hundred seventeen thousand, six hundred six".