611207441197 has 2 divisors, whose sum is σ = 611207441198. Its totient is φ = 611207441196.

The previous prime is 611207441081. The next prime is 611207441203. The reversal of 611207441197 is 791144702116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450363130281 + 160844310916 = 671091^2 + 401054^2 .

It is a cyclic number.

It is not a de Polignac number, because 611207441197 - 2²⁷ = 611073223469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611207481197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305603720598 + 305603720599.

It is an arithmetic number, because the mean of its divisors is an integer number (305603720599).

Almost surely, 2^611207441197 is an apocalyptic number.

It is an amenable number.

611207441197 is a deficient number, since it is larger than the sum of its proper divisors (1).

611207441197 is an equidigital number, since it uses as much as digits as its factorization.

611207441197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 611207441197 in words is "six hundred eleven billion, two hundred seven million, four hundred forty-one thousand, one hundred ninety-seven".