13551553035506 has 4 divisors (see below), whose sum is σ = 20327329553262. Its totient is φ = 6775776517752.

The previous prime is 13551553035499. The next prime is 13551553035539. The reversal of 13551553035506 is 60553035515531.

13551553035506 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 only one way, i.e., 13266647960281 + 284905075225 = 3642341^2 + 533765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387888258875 + ... + 3387888258878.

Almost surely, 2^{13551553035506} is an apocalyptic number.

13551553035506 is a deficient number, since it is larger than the sum of its proper divisors (6775776517756).

13551553035506 is an equidigital number, since it uses as much as digits as its factorization.

13551553035506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775776517755.

The product of its (nonzero) digits is 2531250, while the sum is 47.

The spelling of 13551553035506 in words is "thirteen trillion, five hundred fifty-one billion, five hundred fifty-three million, thirty-five thousand, five hundred six".