6116003561 has 2 divisors, whose sum is σ = 6116003562. Its totient is φ = 6116003560.

The previous prime is 6116003539. The next prime is 6116003567. The reversal of 6116003561 is 1653006116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5825505625 + 290497936 = 76325^2 + 17044^2 .

It is a cyclic number.

It is not a de Polignac number, because 6116003561 - 2¹⁰ = 6116002537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6116003567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058001780 + 3058001781.

It is an arithmetic number, because the mean of its divisors is an integer number (3058001781).

Almost surely, 2^6116003561 is an apocalyptic number.

It is an amenable number.

6116003561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6116003561 is an equidigital number, since it uses as much as digits as its factorization.

6116003561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 6116003561 is about 78204.8819511928. The cubic root of 6116003561 is about 1828.7566141456.

Adding to 6116003561 its reverse (1653006116), we get a palindrome (7769009677).

The spelling of 6116003561 in words is "six billion, one hundred sixteen million, three thousand, five hundred sixty-one".