16111516105 has 8 divisors (see below), whose sum is σ = 19745177472. Its totient is φ = 12614974128.

The previous prime is 16111516079. The next prime is 16111516139. The reversal of 16111516105 is 50161511161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16111516105 - 2¹⁷ = 16111385033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34279587 + ... + 34280056.

It is an arithmetic number, because the mean of its divisors is an integer number (2468147184).

Almost surely, 2^16111516105 is an apocalyptic number.

It is an amenable number.

16111516105 is a deficient number, since it is larger than the sum of its proper divisors (3633661367).

16111516105 is an equidigital number, since it uses as much as digits as its factorization.

16111516105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68559695.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 16111516105 in words is "sixteen billion, one hundred eleven million, five hundred sixteen thousand, one hundred five".