108124605405 has 32 divisors (see below), whose sum is σ = 193197312000. Its totient is φ = 57373718976.

The previous prime is 108124605383. The next prime is 108124605431. The reversal of 108124605405 is 504506421801.

It is a happy number.

108124605405 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 2 + 4 + 605 + 40 + 5 = 666.

It is not a de Polignac number, because 108124605405 - 2⁵ = 108124605373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108124605405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2006205 + ... + 2059394.

It is an arithmetic number, because the mean of its divisors is an integer number (6037416000).

Almost surely, 2^108124605405 is an apocalyptic number.

108124605405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108124605405 is a deficient number, since it is larger than the sum of its proper divisors (85072706595).

108124605405 is a wasteful number, since it uses less digits than its factorization.

108124605405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065810 (or 4065804 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 108124605405 in words is "one hundred eight billion, one hundred twenty-four million, six hundred five thousand, four hundred five".