65894013105 has 16 divisors (see below), whose sum is σ = 105456556800. Its totient is φ = 35134761728.

The previous prime is 65894013083. The next prime is 65894013149. The reversal of 65894013105 is 50131049856.

It is a cyclic number.

It is not a de Polignac number, because 65894013105 - 2¹⁶ = 65893947569 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481737 + ... + 603206.

It is an arithmetic number, because the mean of its divisors is an integer number (6591034800).

Almost surely, 2^65894013105 is an apocalyptic number.

It is an amenable number.

65894013105 is a deficient number, since it is larger than the sum of its proper divisors (39562543695).

65894013105 is a wasteful number, since it uses less digits than its factorization.

65894013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089000.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 65894013105 in words is "sixty-five billion, eight hundred ninety-four million, thirteen thousand, one hundred five".