13550235211 has 4 divisors (see below), whose sum is σ = 13631374512. Its totient is φ = 13469095912.

The previous prime is 13550235197. The next prime is 13550235217. The reversal of 13550235211 is 11253205531.

13550235211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11253205531 = 12377 ⋅909203.

It is a cyclic number.

It is not a de Polignac number, because 13550235211 - 2⁹ = 13550234699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13550235211.

It is not an unprimeable number, because it can be changed into a prime (13550235217) 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 3 ways as a sum of consecutive naturals, for example, 40569400 + ... + 40569733.

It is an arithmetic number, because the mean of its divisors is an integer number (3407843628).

Almost surely, 2^13550235211 is an apocalyptic number.

13550235211 is a deficient number, since it is larger than the sum of its proper divisors (81139301).

13550235211 is an equidigital number, since it uses as much as digits as its factorization.

13550235211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81139300.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 13550235211 in words is "thirteen billion, five hundred fifty million, two hundred thirty-five thousand, two hundred eleven".