16520302034411 has 8 divisors (see below), whose sum is σ = 18880560418560. Its totient is φ = 14160097459368.

The previous prime is 16520302034407. The next prime is 16520302034417. The reversal of 16520302034411 is 11443020302561.

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

It is not a de Polignac number, because 16520302034411 - 2² = 16520302034407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16520302034417) 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, 12792221 + ... + 14024318.

It is an arithmetic number, because the mean of its divisors is an integer number (2360070052320).

Almost surely, 2^{16520302034411} is an apocalyptic number.

16520302034411 is a deficient number, since it is larger than the sum of its proper divisors (2360258384149).

16520302034411 is an equidigital number, since it uses as much as digits as its factorization.

16520302034411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26904553.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 16520302034411 its reverse (11443020302561), we get a palindrome (27963322336972).

The spelling of 16520302034411 in words is "sixteen trillion, five hundred twenty billion, three hundred two million, thirty-four thousand, four hundred eleven".