4105605856522 has 4 divisors (see below), whose sum is σ = 6158408784786. Its totient is φ = 2052802928260.

The previous prime is 4105605856447. The next prime is 4105605856531. The reversal of 4105605856522 is 2256585065014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3161927668761 + 943678187761 = 1778181^2 + 971431^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026401464129 + ... + 1026401464132.

Almost surely, 2^{4105605856522} is an apocalyptic number.

4105605856522 is a deficient number, since it is larger than the sum of its proper divisors (2052802928264).

4105605856522 is a wasteful number, since it uses less digits than its factorization.

4105605856522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052802928263.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 4105605856522 in words is "four trillion, one hundred five billion, six hundred five million, eight hundred fifty-six thousand, five hundred twenty-two".