218015511103 has 8 divisors (see below), whose sum is σ = 234820024208. Its totient is φ = 201215867904.

The previous prime is 218015511101. The next prime is 218015511149. The reversal of 218015511103 is 301115510812.

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

It is a cyclic number.

It is not a de Polignac number, because 218015511103 - 2¹ = 218015511101 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 (218015511101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124226 + ... + 1303807.

It is an arithmetic number, because the mean of its divisors is an integer number (29352503026).

Almost surely, 2^218015511103 is an apocalyptic number.

218015511103 is a deficient number, since it is larger than the sum of its proper divisors (16804513105).

218015511103 is a wasteful number, since it uses less digits than its factorization.

218015511103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434953.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 218015511103 in words is "two hundred eighteen billion, fifteen million, five hundred eleven thousand, one hundred three".