16545200735411 has 4 divisors (see below), whose sum is σ = 17518447837512. Its totient is φ = 15571953633312.

The previous prime is 16545200735359. The next prime is 16545200735423. The reversal of 16545200735411 is 11453700254561.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545200735411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545200035411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486623551025 + ... + 486623551058.

It is an arithmetic number, because the mean of its divisors is an integer number (4379611959378).

Almost surely, 2^{16545200735411} is an apocalyptic number.

16545200735411 is a deficient number, since it is larger than the sum of its proper divisors (973247102101).

16545200735411 is an equidigital number, since it uses as much as digits as its factorization.

16545200735411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973247102100.

The product of its (nonzero) digits is 504000, while the sum is 44.

Adding to 16545200735411 its reverse (11453700254561), we get a palindrome (27998900989972).

The spelling of 16545200735411 in words is "sixteen trillion, five hundred forty-five billion, two hundred million, seven hundred thirty-five thousand, four hundred eleven".