105055554544 has 20 divisors (see below), whose sum is σ = 209046358024. Its totient is φ = 51108107328.

The previous prime is 105055554503. The next prime is 105055554631. The reversal of 105055554544 is 445455550501.

It is a super-2 number, since 2×105055554544² (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 105055554544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88728762 + ... + 88729945.

Almost surely, 2^105055554544 is an apocalyptic number.

It is an amenable number.

105055554544 is a deficient number, since it is larger than the sum of its proper divisors (103990803480).

105055554544 is a wasteful number, since it uses less digits than its factorization.

105055554544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177458752 (or 177458746 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 105055554544 in words is "one hundred five billion, fifty-five million, five hundred fifty-four thousand, five hundred forty-four".