100660550505 has 32 divisors (see below), whose sum is σ = 164840417280. Its totient is φ = 52425024960.

The previous prime is 100660550483. The next prime is 100660550513. The reversal of 100660550505 is 505055066001.

It is not a de Polignac number, because 100660550505 - 2¹² = 100660546409 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3234670 + ... + 3265640.

It is an arithmetic number, because the mean of its divisors is an integer number (5151263040).

Almost surely, 2^100660550505 is an apocalyptic number.

100660550505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100660550505 is a deficient number, since it is larger than the sum of its proper divisors (64179866775).

100660550505 is a wasteful number, since it uses less digits than its factorization.

100660550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36061.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 100660550505 in words is "one hundred billion, six hundred sixty million, five hundred fifty thousand, five hundred five".