5561011011061 has 32 divisors (see below), whose sum is σ = 6142174375680. Its totient is φ = 4992722112000.

The previous prime is 5561011011013. The next prime is 5561011011071. The reversal of 5561011011061 is 1601101101655.

It is a cyclic number.

It is not a de Polignac number, because 5561011011061 - 2⁹ = 5561011010549 is a prime.

It is a super-4 number, since 4×5561011011061⁴ (a number of 52 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561011011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 786672235 + ... + 786679303.

It is an arithmetic number, because the mean of its divisors is an integer number (191942949240).

Almost surely, 2^{5561011011061} is an apocalyptic number.

It is an amenable number.

5561011011061 is a deficient number, since it is larger than the sum of its proper divisors (581163364619).

5561011011061 is a wasteful number, since it uses less digits than its factorization.

5561011011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 5561011011061 in words is "five trillion, five hundred sixty-one billion, eleven million, eleven thousand, sixty-one".