611105662201 has 2 divisors, whose sum is σ = 611105662202. Its totient is φ = 611105662200.

The previous prime is 611105662159. The next prime is 611105662217. The reversal of 611105662201 is 102266501116.

611105662201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349653429225 + 261452232976 = 591315^2 + 511324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611105662201 is a prime.

It is not a weakly prime, because it can be changed into another prime (611105662291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305552831100 + 305552831101.

It is an arithmetic number, because the mean of its divisors is an integer number (305552831101).

Almost surely, 2^611105662201 is an apocalyptic number.

It is an amenable number.

611105662201 is a deficient number, since it is larger than the sum of its proper divisors (1).

611105662201 is an equidigital number, since it uses as much as digits as its factorization.

611105662201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 611105662201 in words is "six hundred eleven billion, one hundred five million, six hundred sixty-two thousand, two hundred one".