16010505516015 has 24 divisors (see below), whose sum is σ = 28102828253760. Its totient is φ = 8430848472384.

The previous prime is 16010505515993. The next prime is 16010505516059. The reversal of 16010505516015 is 51061550501061.

It is a happy number.

It is not a de Polignac number, because 16010505516015 - 2⁶ = 16010505515951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2251825632 + ... + 2251832741.

It is an arithmetic number, because the mean of its divisors is an integer number (1170951177240).

Almost surely, 2^{16010505516015} is an apocalyptic number.

16010505516015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16010505516015 is a deficient number, since it is larger than the sum of its proper divisors (12092322737745).

16010505516015 is a wasteful number, since it uses less digits than its factorization.

16010505516015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503658463 (or 4503658460 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 16010505516015 in words is "sixteen trillion, ten billion, five hundred five million, five hundred sixteen thousand, fifteen".