16432441505611 has 4 divisors (see below), whose sum is σ = 16782067920672. Its totient is φ = 16082815090552.

The previous prime is 16432441505573. The next prime is 16432441505617. The reversal of 16432441505611 is 11650514423461.

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 16432441505611 - 2¹¹ = 16432441503563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432441505617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174813207460 + ... + 174813207553.

It is an arithmetic number, because the mean of its divisors is an integer number (4195516980168).

Almost surely, 2^{16432441505611} is an apocalyptic number.

16432441505611 is a deficient number, since it is larger than the sum of its proper divisors (349626415061).

16432441505611 is an equidigital number, since it uses as much as digits as its factorization.

16432441505611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349626415060.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 16432441505611 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-one million, five hundred five thousand, six hundred eleven".