105259443852 has 12 divisors (see below), whose sum is σ = 245605369016. Its totient is φ = 35086481280.

The previous prime is 105259443841. The next prime is 105259443899. The reversal of 105259443852 is 258344952501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105259443852² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4385810149 + ... + 4385810172.

Almost surely, 2^105259443852 is an apocalyptic number.

105259443852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105259443852 is an abundant number, since it is smaller than the sum of its proper divisors (140345925164).

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

105259443852 is a wasteful number, since it uses less digits than its factorization.

105259443852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771620328 (or 8771620326 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 105259443852 in words is "one hundred five billion, two hundred fifty-nine million, four hundred forty-three thousand, eight hundred fifty-two".