6656230115321 has 2 divisors, whose sum is σ = 6656230115322. Its totient is φ = 6656230115320.

The previous prime is 6656230115273. The next prime is 6656230115347. The reversal of 6656230115321 is 1235110326566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6649074816400 + 7155298921 = 2578580^2 + 84589^2 .

It is a cyclic number.

It is not a de Polignac number, because 6656230115321 - 2²² = 6656225921017 is a prime.

It is not a weakly prime, because it can be changed into another prime (6656232115321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328115057660 + 3328115057661.

It is an arithmetic number, because the mean of its divisors is an integer number (3328115057661).

Almost surely, 2^{6656230115321} is an apocalyptic number.

It is an amenable number.

6656230115321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656230115321 is an equidigital number, since it uses as much as digits as its factorization.

6656230115321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 6656230115321 in words is "six trillion, six hundred fifty-six billion, two hundred thirty million, one hundred fifteen thousand, three hundred twenty-one".