16545054172011 has 8 divisors (see below), whose sum is σ = 22067981911440. Its totient is φ = 11026081273632.

The previous prime is 16545054172007. The next prime is 16545054172021. The reversal of 16545054172011 is 11027145054561.

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

It is not a de Polignac number, because 16545054172011 - 2² = 16545054172007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16545054172021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988700500 + ... + 988717233.

It is an arithmetic number, because the mean of its divisors is an integer number (2758497738930).

Almost surely, 2^{16545054172011} is an apocalyptic number.

16545054172011 is a deficient number, since it is larger than the sum of its proper divisors (5522927739429).

16545054172011 is a wasteful number, since it uses less digits than its factorization.

16545054172011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977420525.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 16545054172011 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, one hundred seventy-two thousand, eleven".