218001522315152 has 20 divisors (see below), whose sum is σ = 422381033483376. Its totient is φ = 108999965287200.

The previous prime is 218001522315103. The next prime is 218001522315193. The reversal of 218001522315152 is 251513225100812.

It is a super-4 number, since 4×218001522315152⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47478974 + ... + 51867677.

Almost surely, 2^{218001522315152} is an apocalyptic number.

It is an amenable number.

218001522315152 is a deficient number, since it is larger than the sum of its proper divisors (204379511168224).

218001522315152 is a wasteful number, since it uses less digits than its factorization.

218001522315152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99483806 (or 99483800 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

Adding to 218001522315152 its reverse (251513225100812), we get a palindrome (469514747415964).

The spelling of 218001522315152 in words is "two hundred eighteen trillion, one billion, five hundred twenty-two million, three hundred fifteen thousand, one hundred fifty-two".