611115616660139 has 2 divisors, whose sum is σ = 611115616660140. Its totient is φ = 611115616660138.

The previous prime is 611115616660063. The next prime is 611115616660189. The reversal of 611115616660139 is 931066616511116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611115616660139 - 2¹⁶ = 611115616594603 is a prime.

It is not a weakly prime, because it can be changed into another prime (611115616660189) 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, 305557808330069 + 305557808330070.

It is an arithmetic number, because the mean of its divisors is an integer number (305557808330070).

Almost surely, 2^{611115616660139} is an apocalyptic number.

611115616660139 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115616660139 is an equidigital number, since it uses as much as digits as its factorization.

611115616660139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 611115616660139 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred sixteen million, six hundred sixty thousand, one hundred thirty-nine".