13272118673018 has 4 divisors (see below), whose sum is σ = 19908178009530. Its totient is φ = 6636059336508.

The previous prime is 13272118672993. The next prime is 13272118673029. The reversal of 13272118673018 is 81037681127231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13183485642649 + 88633030369 = 3630907^2 + 297713^2 .

It is a super-2 number, since 2×13272118673018² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3318029668253 + ... + 3318029668256.

Almost surely, 2^{13272118673018} is an apocalyptic number.

13272118673018 is a deficient number, since it is larger than the sum of its proper divisors (6636059336512).

13272118673018 is an equidigital number, since it uses as much as digits as its factorization.

13272118673018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636059336511.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 13272118673018 in words is "thirteen trillion, two hundred seventy-two billion, one hundred eighteen million, six hundred seventy-three thousand, eighteen".