13105550205121 has 8 divisors (see below), whose sum is σ = 14335920169344. Its totient is φ = 11881672959120.

The previous prime is 13105550205103. The next prime is 13105550205131. The reversal of 13105550205121 is 12150205550131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13105550205121 - 2⁷ = 13105550204993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105550205131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1623175330 + ... + 1623183403.

It is an arithmetic number, because the mean of its divisors is an integer number (1791990021168).

Almost surely, 2^{13105550205121} is an apocalyptic number.

13105550205121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13105550205121 is a deficient number, since it is larger than the sum of its proper divisors (1230369964223).

13105550205121 is a wasteful number, since it uses less digits than its factorization.

13105550205121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246359111.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 13105550205121 its reverse (12150205550131), we get a palindrome (25255755755252).

The spelling of 13105550205121 in words is "thirteen trillion, one hundred five billion, five hundred fifty million, two hundred five thousand, one hundred twenty-one".