65487068105 has 16 divisors (see below), whose sum is σ = 82755505920. Its totient is φ = 49611305088.

The previous prime is 65487068089. The next prime is 65487068111. The reversal of 65487068105 is 50186078456.

It is a cyclic number.

It is not a de Polignac number, because 65487068105 - 2⁴ = 65487068089 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 81749 + ... + 371021.

It is an arithmetic number, because the mean of its divisors is an integer number (5172219120).

Almost surely, 2^65487068105 is an apocalyptic number.

It is an amenable number.

65487068105 is a deficient number, since it is larger than the sum of its proper divisors (17268437815).

65487068105 is a wasteful number, since it uses less digits than its factorization.

65487068105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291680.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 65487068105 in words is "sixty-five billion, four hundred eighty-seven million, sixty-eight thousand, one hundred five".