13221603510135 has 16 divisors (see below), whose sum is σ = 21236879107296. Its totient is φ = 7024084041728.

The previous prime is 13221603510109. The next prime is 13221603510149. The reversal of 13221603510135 is 53101530612231.

It is a cyclic number.

It is not a de Polignac number, because 13221603510135 - 2¹² = 13221603506039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221603510096 and 13221603510105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714860414 + ... + 1714868123.

It is an arithmetic number, because the mean of its divisors is an integer number (1327304944206).

Almost surely, 2^{13221603510135} is an apocalyptic number.

13221603510135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13221603510135 is a deficient number, since it is larger than the sum of its proper divisors (8015275597161).

13221603510135 is a wasteful number, since it uses less digits than its factorization.

13221603510135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429728802.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13221603510135 in words is "thirteen trillion, two hundred twenty-one billion, six hundred three million, five hundred ten thousand, one hundred thirty-five".