6648755076325 has 12 divisors (see below), whose sum is σ = 8528747891940. Its totient is φ = 5135590127360.

The previous prime is 6648755076289. The next prime is 6648755076349. The reversal of 6648755076325 is 5236705578466.

It is a Cunningham number, because it is equal to 2578518²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 6648755076324 = 1^2 + 2578518^2 .

It is not a de Polignac number, because 6648755076325 - 2⁹ = 6648755075813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4585347604 + ... + 4585349053.

It is an arithmetic number, because the mean of its divisors is an integer number (710728990995).

Almost surely, 2^{6648755076325} is an apocalyptic number.

It is an amenable number.

6648755076325 is a deficient number, since it is larger than the sum of its proper divisors (1879992815615).

6648755076325 is a wasteful number, since it uses less digits than its factorization.

6648755076325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170696696 (or 9170696691 counting only the distinct ones).

The product of its (nonzero) digits is 254016000, while the sum is 64.

The spelling of 6648755076325 in words is "six trillion, six hundred forty-eight billion, seven hundred fifty-five million, seventy-six thousand, three hundred twenty-five".