105454312418 has 32 divisors (see below), whose sum is σ = 194762655360. Its totient is φ = 41701524480.

The previous prime is 105454312417. The next prime is 105454312421. The reversal of 105454312418 is 814213454501.

It is a super-2 number, since 2×105454312418² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105454312417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346178 + ... + 575106.

It is an arithmetic number, because the mean of its divisors is an integer number (6086332980).

Almost surely, 2^105454312418 is an apocalyptic number.

105454312418 is a deficient number, since it is larger than the sum of its proper divisors (89308342942).

105454312418 is a wasteful number, since it uses less digits than its factorization.

105454312418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231482.

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 105454312418 its reverse (814213454501), we get a palindrome (919667766919).

The spelling of 105454312418 in words is "one hundred five billion, four hundred fifty-four million, three hundred twelve thousand, four hundred eighteen".