197008945005611 has 2 divisors, whose sum is σ = 197008945005612. Its totient is φ = 197008945005610.

The previous prime is 197008945005599. The next prime is 197008945005709. The reversal of 197008945005611 is 116500549800791.

197008945005611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197008945005611 is a prime.

It is not a weakly prime, because it can be changed into another prime (197008945005311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98504472502805 + 98504472502806.

It is an arithmetic number, because the mean of its divisors is an integer number (98504472502806).

Almost surely, 2^{197008945005611} is an apocalyptic number.

197008945005611 is a deficient number, since it is larger than the sum of its proper divisors (1).

197008945005611 is an equidigital number, since it uses as much as digits as its factorization.

197008945005611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 197008945005611 in words is "one hundred ninety-seven trillion, eight billion, nine hundred forty-five million, five thousand, six hundred eleven".