10805124186550 has 24 divisors (see below), whose sum is σ = 20097757491552. Its totient is φ = 4322000964000.

The previous prime is 10805124186541. The next prime is 10805124186551. The reversal of 10805124186550 is 5568142150801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10805124186550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10805124186551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3439395 + ... + 5782705.

It is an arithmetic number, because the mean of its divisors is an integer number (837406562148).

Almost surely, 2^{10805124186550} is an apocalyptic number.

10805124186550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10805124186550 is a deficient number, since it is larger than the sum of its proper divisors (9292633305002).

10805124186550 is a wasteful number, since it uses less digits than its factorization.

10805124186550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435544 (or 2435539 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 46.

The spelling of 10805124186550 in words is "ten trillion, eight hundred five billion, one hundred twenty-four million, one hundred eighty-six thousand, five hundred fifty".