648768120005 has 16 divisors (see below), whose sum is σ = 789675350400. Its totient is φ = 511582249920.

The previous prime is 648768119977. The next prime is 648768120017. The reversal of 648768120005 is 500021867846.

It is not a de Polignac number, because 648768120005 - 2⁶ = 648768119941 is a prime.

It is a congruent 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, 1285226 + ... + 1717364.

It is an arithmetic number, because the mean of its divisors is an integer number (49354709400).

Almost surely, 2^648768120005 is an apocalyptic number.

It is an amenable number.

648768120005 is a deficient number, since it is larger than the sum of its proper divisors (140907230395).

648768120005 is a wasteful number, since it uses less digits than its factorization.

648768120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436444.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 648768120005 in words is "six hundred forty-eight billion, seven hundred sixty-eight million, one hundred twenty thousand, five".