12535030553 has 4 divisors (see below), whose sum is σ = 12538124340. Its totient is φ = 12531936768.

The previous prime is 12535030549. The next prime is 12535030561. The reversal of 12535030553 is 35503053521.

12535030553 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9740110864 + 2794919689 = 98692^2 + 52867^2 .

It is a cyclic number.

It is not a de Polignac number, because 12535030553 - 2² = 12535030549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535030253) 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, 1540808 + ... + 1548921.

It is an arithmetic number, because the mean of its divisors is an integer number (3134531085).

Almost surely, 2^12535030553 is an apocalyptic number.

It is an amenable number.

12535030553 is a deficient number, since it is larger than the sum of its proper divisors (3093787).

12535030553 is an equidigital number, since it uses as much as digits as its factorization.

12535030553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093786.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 12535030553 in words is "twelve billion, five hundred thirty-five million, thirty thousand, five hundred fifty-three".