13036243550321 has 16 divisors (see below), whose sum is σ = 13268106443088. Its totient is φ = 12804973209600.

The previous prime is 13036243550257. The next prime is 13036243550347. The reversal of 13036243550321 is 12305534263031.

13036243550321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1439760010000 + 11596483540321 = 1199900^2 + 3405361^2 .

It is not a de Polignac number, because 13036243550321 - 2⁶ = 13036243550257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13036243558321) 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, 249170861 + ... + 249223173.

It is an arithmetic number, because the mean of its divisors is an integer number (829256652693).

Almost surely, 2^{13036243550321} is an apocalyptic number.

It is an amenable number.

13036243550321 is a deficient number, since it is larger than the sum of its proper divisors (231862892767).

13036243550321 is an equidigital number, since it uses as much as digits as its factorization.

13036243550321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57892.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 13036243550321 in words is "thirteen trillion, thirty-six billion, two hundred forty-three million, five hundred fifty thousand, three hundred twenty-one".