16545054575611 has 4 divisors (see below), whose sum is σ = 16547105030400. Its totient is φ = 16543004120824.

The previous prime is 16545054575521. The next prime is 16545054575627. The reversal of 16545054575611 is 11657545054561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16545054575611 - 2²¹ = 16545052478459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545054573611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025215291 + ... + 1025231428.

It is an arithmetic number, because the mean of its divisors is an integer number (4136776257600).

Almost surely, 2^{16545054575611} is an apocalyptic number.

16545054575611 is a deficient number, since it is larger than the sum of its proper divisors (2050454789).

16545054575611 is an equidigital number, since it uses as much as digits as its factorization.

16545054575611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050454788.

The product of its (nonzero) digits is 12600000, while the sum is 55.

The spelling of 16545054575611 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, five hundred seventy-five thousand, six hundred eleven".