6116715509 has 2 divisors, whose sum is σ = 6116715510. Its totient is φ = 6116715508.

The previous prime is 6116715499. The next prime is 6116715523. The reversal of 6116715509 is 9055176116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4300080625 + 1816634884 = 65575^2 + 42622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6116715509 is a prime.

It is a super-2 number, since 2×6116715509² = 74828417236082258162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6116715529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058357754 + 3058357755.

It is an arithmetic number, because the mean of its divisors is an integer number (3058357755).

Almost surely, 2^6116715509 is an apocalyptic number.

It is an amenable number.

6116715509 is a deficient number, since it is larger than the sum of its proper divisors (1).

6116715509 is an equidigital number, since it uses as much as digits as its factorization.

6116715509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 6116715509 is about 78209.4336317557. The cubic root of 6116715509 is about 1828.8275716526.

The spelling of 6116715509 in words is "six billion, one hundred sixteen million, seven hundred fifteen thousand, five hundred nine".