105818918912 has 52 divisors (see below), whose sum is σ = 241842354816. Its totient is φ = 45350952960.

The previous prime is 105818918911. The next prime is 105818918951. The reversal of 105818918912 is 219819818501.

It is a super-2 number, since 2×105818918912² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105818918911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816664 + ... + 1874007.

Almost surely, 2^105818918912 is an apocalyptic number.

It is an amenable number.

105818918912 is an abundant number, since it is smaller than the sum of its proper divisors (136023435904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105818918912 is an frugal number, since it uses more digits than its factorization.

105818918912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690702 (or 3690680 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 53.

The spelling of 105818918912 in words is "one hundred five billion, eight hundred eighteen million, nine hundred eighteen thousand, nine hundred twelve".