60556100561 has 6 divisors (see below), whose sum is σ = 66561664386. Its totient is φ = 55051000400.

The previous prime is 60556100557. The next prime is 60556100573. The reversal of 60556100561 is 16500165506.

60556100561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33258452161 + 27297648400 = 182369^2 + 165220^2 .

It is not a de Polignac number, because 60556100561 - 2² = 60556100557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60556102561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250231700 + ... + 250231941.

It is an arithmetic number, because the mean of its divisors is an integer number (11093610731).

Almost surely, 2^60556100561 is an apocalyptic number.

It is an amenable number.

60556100561 is a deficient number, since it is larger than the sum of its proper divisors (6005563825).

60556100561 is a wasteful number, since it uses less digits than its factorization.

60556100561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500463663 (or 500463652 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 60556100561 in words is "sixty billion, five hundred fifty-six million, one hundred thousand, five hundred sixty-one".