13105104985 has 16 divisors (see below), whose sum is σ = 18030151296. Its totient is φ = 8957639808.

The previous prime is 13105104967. The next prime is 13105104997. The reversal of 13105104985 is 58940150131.

It is a cyclic number.

It is not a de Polignac number, because 13105104985 - 2¹³ = 13105096793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587179 + ... + 609088.

It is an arithmetic number, because the mean of its divisors is an integer number (1126884456).

Almost surely, 2^13105104985 is an apocalyptic number.

It is an amenable number.

13105104985 is a deficient number, since it is larger than the sum of its proper divisors (4925046311).

13105104985 is a wasteful number, since it uses less digits than its factorization.

13105104985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196592.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 13105104985 in words is "thirteen billion, one hundred five million, one hundred four thousand, nine hundred eighty-five".