13321511445101 has 16 divisors (see below), whose sum is σ = 13922983451520. Its totient is φ = 12721899072960.

The previous prime is 13321511445091. The next prime is 13321511445133. The reversal of 13321511445101 is 10154411512331.

It is a cyclic number.

It is not a de Polignac number, because 13321511445101 - 2¹⁰ = 13321511444077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321511445401) 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, 222065531 + ... + 222125511.

It is an arithmetic number, because the mean of its divisors is an integer number (870186465720).

Almost surely, 2^{13321511445101} is an apocalyptic number.

It is an amenable number.

13321511445101 is a deficient number, since it is larger than the sum of its proper divisors (601472006419).

13321511445101 is a wasteful number, since it uses less digits than its factorization.

13321511445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75316.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 13321511445101 its reverse (10154411512331), we get a palindrome (23475922957432).

The spelling of 13321511445101 in words is "thirteen trillion, three hundred twenty-one billion, five hundred eleven million, four hundred forty-five thousand, one hundred one".