5601166513 has 2 divisors, whose sum is σ = 5601166514. Its totient is φ = 5601166512.

The previous prime is 5601166469. The next prime is 5601166531. The reversal of 5601166513 is 3156611065.

Together with next prime (5601166531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5000328369 + 600838144 = 70713^2 + 24512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5601166513 is a prime.

It is not a weakly prime, because it can be changed into another prime (5601166553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800583256 + 2800583257.

It is an arithmetic number, because the mean of its divisors is an integer number (2800583257).

Almost surely, 2^5601166513 is an apocalyptic number.

It is an amenable number.

5601166513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5601166513 is an equidigital number, since it uses as much as digits as its factorization.

5601166513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 5601166513 is about 74840.9414224594. The cubic root of 5601166513 is about 1775.9312986818.

Adding to 5601166513 its reverse (3156611065), we get a palindrome (8757777578).

The spelling of 5601166513 in words is "five billion, six hundred one million, one hundred sixty-six thousand, five hundred thirteen".