218005535151 has 6 divisors (see below), whose sum is σ = 314896884120. Its totient is φ = 145337023428.

The previous prime is 218005535141. The next prime is 218005535161. The reversal of 218005535151 is 151535500812.

218005535151 is a `hidden beast` number, since 2 + 1 + 8 + 0 + 0 + 553 + 51 + 51 = 666.

218005535151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (218005535141) and next prime (218005535161).

It is not a de Polignac number, because 218005535151 - 2⁹ = 218005534639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218005535131) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12111418611 + ... + 12111418628.

It is an arithmetic number, because the mean of its divisors is an integer number (52482814020).

Almost surely, 2^218005535151 is an apocalyptic number.

218005535151 is a deficient number, since it is larger than the sum of its proper divisors (96891348969).

218005535151 is a wasteful number, since it uses less digits than its factorization.

218005535151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24222837245 (or 24222837242 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 218005535151 in words is "two hundred eighteen billion, five million, five hundred thirty-five thousand, one hundred fifty-one".