16065060515505 has 16 divisors (see below), whose sum is σ = 28560107583360. Its totient is φ = 8568032274864.

The previous prime is 16065060515347. The next prime is 16065060515513. The reversal of 16065060515505 is 50551506056061.

16065060515505 is a `hidden beast` number, since 16 + 0 + 65 + 0 + 60 + 5 + 15 + 505 = 666.

It is not a de Polignac number, because 16065060515505 - 2⁸ = 16065060515249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 15 ways as a sum of consecutive naturals, for example, 59500223997 + ... + 59500224266.

It is an arithmetic number, because the mean of its divisors is an integer number (1785006723960).

Almost surely, 2^{16065060515505} is an apocalyptic number.

16065060515505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16065060515505 is a deficient number, since it is larger than the sum of its proper divisors (12495047067855).

16065060515505 is a wasteful number, since it uses less digits than its factorization.

16065060515505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119000448277 (or 119000448271 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 16065060515505 in words is "sixteen trillion, sixty-five billion, sixty million, five hundred fifteen thousand, five hundred five".