105343521044 has 12 divisors (see below), whose sum is σ = 186947657568. Its totient is φ = 51929904600.

The previous prime is 105343520977. The next prime is 105343521113. The reversal of 105343521044 is 440125343501.

It is a super-2 number, since 2×105343521044² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105343521044.

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, 185463662 + ... + 185464229.

It is an arithmetic number, because the mean of its divisors is an integer number (15578971464).

Almost surely, 2^105343521044 is an apocalyptic number.

It is an amenable number.

105343521044 is a deficient number, since it is larger than the sum of its proper divisors (81604136524).

105343521044 is a wasteful number, since it uses less digits than its factorization.

105343521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370927966 (or 370927964 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 105343521044 its reverse (440125343501), we get a palindrome (545468864545).

The spelling of 105343521044 in words is "one hundred five billion, three hundred forty-three million, five hundred twenty-one thousand, forty-four".