611115616660267 has 2 divisors, whose sum is σ = 611115616660268. Its totient is φ = 611115616660266.

The previous prime is 611115616660229. The next prime is 611115616660303. The reversal of 611115616660267 is 762066616511116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611115616660267 - 2⁷ = 611115616660139 is a prime.

It is a super-2 number, since 2×611115616660267² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611115616660667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557808330133 + 305557808330134.

It is an arithmetic number, because the mean of its divisors is an integer number (305557808330134).

Almost surely, 2^{611115616660267} is an apocalyptic number.

611115616660267 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115616660267 is an equidigital number, since it uses as much as digits as its factorization.

611115616660267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 611115616660267 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred sixteen million, six hundred sixty thousand, two hundred sixty-seven".