13217903611 has 4 divisors (see below), whose sum is σ = 14419531224. Its totient is φ = 12016276000.

The previous prime is 13217903609. The next prime is 13217903627. The reversal of 13217903611 is 11630971231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13217903611 - 2¹ = 13217903609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13217903651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600813790 + ... + 600813811.

It is an arithmetic number, because the mean of its divisors is an integer number (3604882806).

Almost surely, 2^13217903611 is an apocalyptic number.

13217903611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13217903611 is a deficient number, since it is larger than the sum of its proper divisors (1201627613).

13217903611 is a wasteful number, since it uses less digits than its factorization.

13217903611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201627612.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 13217903611 in words is "thirteen billion, two hundred seventeen million, nine hundred three thousand, six hundred eleven".