16542354645011 has 8 divisors (see below), whose sum is σ = 18229142149680. Its totient is φ = 14914752666912.

The previous prime is 16542354644953. The next prime is 16542354645029. The reversal of 16542354645011 is 11054645324561.

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

It is not a de Polignac number, because 16542354645011 - 2¹⁰ = 16542354643987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16542354645031) 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 7 ways as a sum of consecutive naturals, for example, 14796381056 + ... + 14796382173.

It is an arithmetic number, because the mean of its divisors is an integer number (2278642768710).

Almost surely, 2^{16542354645011} is an apocalyptic number.

16542354645011 is a deficient number, since it is larger than the sum of its proper divisors (1686787504669).

16542354645011 is a wasteful number, since it uses less digits than its factorization.

16542354645011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29592763285.

The product of its (nonzero) digits is 1728000, while the sum is 47.

Adding to 16542354645011 its reverse (11054645324561), we get a palindrome (27596999969572).

The spelling of 16542354645011 in words is "sixteen trillion, five hundred forty-two billion, three hundred fifty-four million, six hundred forty-five thousand, eleven".