611000561061 has 12 divisors (see below), whose sum is σ = 962788763040. Its totient is φ = 370303370280.

The previous prime is 611000561051. The next prime is 611000561107. The reversal of 611000561061 is 160165000116.

It is not a de Polignac number, because 611000561061 - 2¹⁵ = 611000528293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611000561021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3085861321 + ... + 3085861518.

It is an arithmetic number, because the mean of its divisors is an integer number (80232396920).

Almost surely, 2^611000561061 is an apocalyptic number.

It is an amenable number.

611000561061 is a deficient number, since it is larger than the sum of its proper divisors (351788201979).

611000561061 is a wasteful number, since it uses less digits than its factorization.

611000561061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171722856 (or 6171722853 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 611000561061 its reverse (160165000116), we get a palindrome (771165561177).

The spelling of 611000561061 in words is "six hundred eleven billion, five hundred sixty-one thousand, sixty-one".