611115620857163 has 2 divisors, whose sum is σ = 611115620857164. Its totient is φ = 611115620857162.

The previous prime is 611115620857141. The next prime is 611115620857169. The reversal of 611115620857163 is 361758026511116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611115620857163 - 2⁶ = 611115620857099 is a prime.

It is not a weakly prime, because it can be changed into another prime (611115620857169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557810428581 + 305557810428582.

It is an arithmetic number, because the mean of its divisors is an integer number (305557810428582).

Almost surely, 2^{611115620857163} is an apocalyptic number.

611115620857163 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115620857163 is an equidigital number, since it uses as much as digits as its factorization.

611115620857163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 611115620857163 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred twenty million, eight hundred fifty-seven thousand, one hundred sixty-three".