13505050201 has 4 divisors (see below), whose sum is σ = 13527081892. Its totient is φ = 13483018512.

The previous prime is 13505050199. The next prime is 13505050213. The reversal of 13505050201 is 10205050531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10205050531 = 13 ⋅785003887.

It can be written as a sum of positive squares in 2 ways, for example, as 123187801 + 13381862400 = 11099^2 + 115680^2 .

It is a cyclic number.

It is not a de Polignac number, because 13505050201 - 2¹ = 13505050199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13505050501) 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, 11014926 + ... + 11016151.

It is an arithmetic number, because the mean of its divisors is an integer number (3381770473).

Almost surely, 2^13505050201 is an apocalyptic number.

It is an amenable number.

13505050201 is a deficient number, since it is larger than the sum of its proper divisors (22031691).

13505050201 is an equidigital number, since it uses as much as digits as its factorization.

13505050201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22031690.

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 13505050201 in words is "thirteen billion, five hundred five million, fifty thousand, two hundred one".