133560305505 has 48 divisors (see below), whose sum is σ = 256690624320. Its totient is φ = 63694915200.

The previous prime is 133560305477. The next prime is 133560305509. The reversal of 133560305505 is 505503065331.

133560305505 is a `hidden beast` number, since 13 + 3 + 5 + 60 + 30 + 550 + 5 = 666.

It is not a de Polignac number, because 133560305505 - 2⁶ = 133560305441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133560305505.

It is not an unprimeable number, because it can be changed into a prime (133560305509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2181435 + ... + 2241824.

It is an arithmetic number, because the mean of its divisors is an integer number (5347721340).

Almost surely, 2^133560305505 is an apocalyptic number.

133560305505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133560305505 is a deficient number, since it is larger than the sum of its proper divisors (123130318815).

133560305505 is a wasteful number, since it uses less digits than its factorization.

133560305505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423342 (or 4423339 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

The spelling of 133560305505 in words is "one hundred thirty-three billion, five hundred sixty million, three hundred five thousand, five hundred five".