561106106061 has 32 divisors (see below), whose sum is σ = 834522134400. Its totient is φ = 333264660480.

The previous prime is 561106106003. The next prime is 561106106063. The reversal of 561106106061 is 160601601165.

It is a de Polignac number, because none of the positive numbers 2^k-561106106061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561106106063) 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 31 ways as a sum of consecutive naturals, for example, 955321 + ... + 1426481.

It is an arithmetic number, because the mean of its divisors is an integer number (26078816700).

Almost surely, 2^561106106061 is an apocalyptic number.

561106106061 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

561106106061 is a deficient number, since it is larger than the sum of its proper divisors (273416028339).

561106106061 is a wasteful number, since it uses less digits than its factorization.

561106106061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472429.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 561106106061 in words is "five hundred sixty-one billion, one hundred six million, one hundred six thousand, sixty-one".