218015511126 has 16 divisors (see below), whose sum is σ = 498321168384. Its totient is φ = 62290146024.

The previous prime is 218015511101. The next prime is 218015511149. The reversal of 218015511126 is 621115510812.

218015511126 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 a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2595422710 + ... + 2595422793.

It is an arithmetic number, because the mean of its divisors is an integer number (31145073024).

Almost surely, 2^218015511126 is an apocalyptic number.

218015511126 is an abundant number, since it is smaller than the sum of its proper divisors (280305657258).

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

218015511126 is a wasteful number, since it uses less digits than its factorization.

218015511126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190845515.

The product of its (nonzero) digits is 4800, while the sum is 33.

The spelling of 218015511126 in words is "two hundred eighteen billion, fifteen million, five hundred eleven thousand, one hundred twenty-six".