105603613443 has 12 divisors (see below), whose sum is σ = 152570466880. Its totient is φ = 70387679376.

The previous prime is 105603613439. The next prime is 105603613447. The reversal of 105603613443 is 344316306501.

105603613443 is a `hidden beast` number, since 1 + 0 + 5 + 603 + 6 + 1 + 3 + 4 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (105603613439) and next prime (105603613447).

It is not a de Polignac number, because 105603613443 - 2² = 105603613439 is a prime.

It is a super-2 number, since 2×105603613443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105603613398 and 105603613407.

It is not an unprimeable number, because it can be changed into a prime (105603613447) 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 11 ways as a sum of consecutive naturals, for example, 1181971 + ... + 1268172.

Almost surely, 2^105603613443 is an apocalyptic number.

105603613443 is a deficient number, since it is larger than the sum of its proper divisors (46966853437).

105603613443 is a wasteful number, since it uses less digits than its factorization.

105603613443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454938 (or 2454935 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 105603613443 its reverse (344316306501), we get a palindrome (449919919944).

The spelling of 105603613443 in words is "one hundred five billion, six hundred three million, six hundred thirteen thousand, four hundred forty-three".