105452044550 has 24 divisors (see below), whose sum is σ = 197940270000. Its totient is φ = 41793835680.

The previous prime is 105452044519. The next prime is 105452044601. The reversal of 105452044550 is 55440254501.

It is a super-2 number, since 2×105452044550² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105452044550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9669050 + ... + 9679949.

It is an arithmetic number, because the mean of its divisors is an integer number (8247511250).

Almost surely, 2^105452044550 is an apocalyptic number.

105452044550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105452044550 is a deficient number, since it is larger than the sum of its proper divisors (92488225450).

105452044550 is a wasteful number, since it uses less digits than its factorization.

105452044550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19349120 (or 19349115 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 105452044550 in words is "one hundred five billion, four hundred fifty-two million, forty-four thousand, five hundred fifty".