648260608125 has 160 divisors (see below), whose sum is σ = 1226469404160. Its totient is φ = 301834080000.

The previous prime is 648260608109. The next prime is 648260608129. The reversal of 648260608125 is 521806062846.

It is not a de Polignac number, because 648260608125 - 2⁴ = 648260608109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648260608129) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 505268734 + ... + 505270016.

It is an arithmetic number, because the mean of its divisors is an integer number (7665433776).

Almost surely, 2^648260608125 is an apocalyptic number.

648260608125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

648260608125 is a deficient number, since it is larger than the sum of its proper divisors (578208796035).

648260608125 is a wasteful number, since it uses less digits than its factorization.

648260608125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 648260608125 in words is "six hundred forty-eight billion, two hundred sixty million, six hundred eight thousand, one hundred twenty-five".