611115620856067 has 2 divisors, whose sum is σ = 611115620856068. Its totient is φ = 611115620856066.

The previous prime is 611115620856001. The next prime is 611115620856107. The reversal of 611115620856067 is 760658026511116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611115620856067 - 2¹⁹ = 611115620331779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611115620855999 and 611115620856017.

It is not a weakly prime, because it can be changed into another prime (611115620850067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557810428033 + 305557810428034.

It is an arithmetic number, because the mean of its divisors is an integer number (305557810428034).

Almost surely, 2^{611115620856067} is an apocalyptic number.

611115620856067 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115620856067 is an equidigital number, since it uses as much as digits as its factorization.

611115620856067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 611115620856067 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred twenty million, eight hundred fifty-six thousand, sixty-seven".