105388565785844 has 12 divisors (see below), whose sum is σ = 201196352863968. Its totient is φ = 47903893539000.

The previous prime is 105388565785819. The next prime is 105388565785849. The reversal of 105388565785844 is 448587565883501.

It is a super-2 number, since 2×105388565785844² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105388565785849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197597338432 + ... + 1197597338519.

It is an arithmetic number, because the mean of its divisors is an integer number (16766362738664).

Almost surely, 2^{105388565785844} is an apocalyptic number.

It is an amenable number.

105388565785844 is a deficient number, since it is larger than the sum of its proper divisors (95807787078124).

105388565785844 is a wasteful number, since it uses less digits than its factorization.

105388565785844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395194676966 (or 2395194676964 counting only the distinct ones).

The product of its (nonzero) digits is 5160960000, while the sum is 77.

The spelling of 105388565785844 in words is "one hundred five trillion, three hundred eighty-eight billion, five hundred sixty-five million, seven hundred eighty-five thousand, eight hundred forty-four".