105806384848 has 20 divisors (see below), whose sum is σ = 205879705668. Its totient is φ = 52676138240.

The previous prime is 105806384809. The next prime is 105806384861. The reversal of 105806384848 is 848483608501.

It can be written as a sum of positive squares in 2 ways, for example, as 18953579584 + 86852805264 = 137672^2 + 294708^2 .

It is a super-2 number, since 2×105806384848² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14187043 + ... + 14194498.

Almost surely, 2^105806384848 is an apocalyptic number.

It is an amenable number.

105806384848 is a deficient number, since it is larger than the sum of its proper divisors (100073320820).

105806384848 is a wasteful number, since it uses less digits than its factorization.

105806384848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381782 (or 28381776 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 105806384848 in words is "one hundred five billion, eight hundred six million, three hundred eighty-four thousand, eight hundred forty-eight".