218001522315151 has 8 divisors (see below), whose sum is σ = 223981993927440. Its totient is φ = 212097235054848.

The previous prime is 218001522315103. The next prime is 218001522315193. The reversal of 218001522315151 is 151513225100812.

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 218001522315151 - 2²³ = 218001513926543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 218001522315151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218001522312151) 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, 19046082196 + ... + 19046093641.

It is an arithmetic number, because the mean of its divisors is an integer number (27997749240930).

Almost surely, 2^{218001522315151} is an apocalyptic number.

218001522315151 is a deficient number, since it is larger than the sum of its proper divisors (5980471612289).

218001522315151 is an equidigital number, since it uses as much as digits as its factorization.

218001522315151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38092175993.

The product of its (nonzero) digits is 24000, while the sum is 37.

Adding to 218001522315151 its reverse (151513225100812), we get a palindrome (369514747415963).

The spelling of 218001522315151 in words is "two hundred eighteen trillion, one billion, five hundred twenty-two million, three hundred fifteen thousand, one hundred fifty-one".