13355522352505 has 16 divisors (see below), whose sum is σ = 16266165056064. Its totient is φ = 10524732292800.

The previous prime is 13355522352449. The next prime is 13355522352509. The reversal of 13355522352505 is 50525322555331.

It is a happy number.

It is not a de Polignac number, because 13355522352505 - 2⁷ = 13355522352377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13355522352509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16986330 + ... + 17755180.

It is an arithmetic number, because the mean of its divisors is an integer number (1016635316004).

Almost surely, 2^{13355522352505} is an apocalyptic number.

It is an amenable number.

13355522352505 is a deficient number, since it is larger than the sum of its proper divisors (2910642703559).

13355522352505 is an equidigital number, since it uses as much as digits as its factorization.

13355522352505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820776.

The product of its (nonzero) digits is 3375000, while the sum is 46.

The spelling of 13355522352505 in words is "thirteen trillion, three hundred fifty-five billion, five hundred twenty-two million, three hundred fifty-two thousand, five hundred five".