11841851047 has 16 divisors (see below), whose sum is σ = 13403013120. Its totient is φ = 10380424032.

The previous prime is 11841851009. The next prime is 11841851051. The reversal of 11841851047 is 74015814811.

11841851047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11841851047 - 2¹⁵ = 11841818279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11841851057) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 100903 + ... + 184024.

It is an arithmetic number, because the mean of its divisors is an integer number (837688320).

Almost surely, 2^11841851047 is an apocalyptic number.

11841851047 is a deficient number, since it is larger than the sum of its proper divisors (1561162073).

11841851047 is a wasteful number, since it uses less digits than its factorization.

11841851047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285102.

The product of its (nonzero) digits is 35840, while the sum is 40.

The spelling of 11841851047 in words is "eleven billion, eight hundred forty-one million, eight hundred fifty-one thousand, forty-seven".