105013018514218 has 4 divisors (see below), whose sum is σ = 157519527771330. Its totient is φ = 52506509257108.

The previous prime is 105013018514167. The next prime is 105013018514233. The reversal of 105013018514218 is 812415810310501.

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., 102871868200929 + 2141150313289 = 10142577^2 + 1463267^2 .

It is a super-2 number, since 2×105013018514218² (a number of 29 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, 26253254628553 + ... + 26253254628556.

Almost surely, 2^{105013018514218} is an apocalyptic number.

105013018514218 is a deficient number, since it is larger than the sum of its proper divisors (52506509257112).

105013018514218 is an equidigital number, since it uses as much as digits as its factorization.

105013018514218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52506509257111.

The product of its (nonzero) digits is 38400, while the sum is 40.

Adding to 105013018514218 its reverse (812415810310501), we get a palindrome (917428828824719).

The spelling of 105013018514218 in words is "one hundred five trillion, thirteen billion, eighteen million, five hundred fourteen thousand, two hundred eighteen".