611006055061 has 2 divisors, whose sum is σ = 611006055062. Its totient is φ = 611006055060.

The previous prime is 611006054983. The next prime is 611006055097. The reversal of 611006055061 is 160550600116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330774516900 + 280231538161 = 575130^2 + 529369^2 .

It is a cyclic number.

It is not a de Polignac number, because 611006055061 - 2²⁷ = 610871837333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611006055661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305503027530 + 305503027531.

It is an arithmetic number, because the mean of its divisors is an integer number (305503027531).

Almost surely, 2^611006055061 is an apocalyptic number.

It is an amenable number.

611006055061 is a deficient number, since it is larger than the sum of its proper divisors (1).

611006055061 is an equidigital number, since it uses as much as digits as its factorization.

611006055061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 611006055061 its reverse (160550600116), we get a palindrome (771556655177).

The spelling of 611006055061 in words is "six hundred eleven billion, six million, fifty-five thousand, sixty-one".