5601611513 has 2 divisors, whose sum is σ = 5601611514. Its totient is φ = 5601611512.

The previous prime is 5601611473. The next prime is 5601611531. The reversal of 5601611513 is 3151161065.

Together with next prime (5601611531) 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., 5406366784 + 195244729 = 73528^2 + 13973^2 .

It is a cyclic number.

It is not a de Polignac number, because 5601611513 - 2¹⁶ = 5601545977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5601611563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800805756 + 2800805757.

It is an arithmetic number, because the mean of its divisors is an integer number (2800805757).

Almost surely, 2^5601611513 is an apocalyptic number.

It is an amenable number.

5601611513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5601611513 is an equidigital number, since it uses as much as digits as its factorization.

5601611513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 5601611513 is about 74843.9143351014. The cubic root of 5601611513 is about 1775.9783286768.

Adding to 5601611513 its reverse (3151161065), we get a palindrome (8752772578).

The spelling of 5601611513 in words is "five billion, six hundred one million, six hundred eleven thousand, five hundred thirteen".