47211217050018 has 32 divisors (see below), whose sum is σ = 107912207287296. Its totient is φ = 13488812403408.

The previous prime is 47211217050013. The next prime is 47211217050037. The reversal of 47211217050018 is 81005071211274.

47211217050018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47211217050013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1000555 + ... + 9768497.

It is an arithmetic number, because the mean of its divisors is an integer number (3372256477728).

Almost surely, 2^{47211217050018} is an apocalyptic number.

47211217050018 is an abundant number, since it is smaller than the sum of its proper divisors (60700990237278).

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

47211217050018 is a wasteful number, since it uses less digits than its factorization.

47211217050018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896158.

The product of its (nonzero) digits is 31360, while the sum is 39.

The spelling of 47211217050018 in words is "forty-seven trillion, two hundred eleven billion, two hundred seventeen million, fifty thousand, eighteen".