5556110561061 has 32 divisors (see below), whose sum is σ = 7562480308992. Its totient is φ = 3627180910080.

The previous prime is 5556110560919. The next prime is 5556110561147. The reversal of 5556110561061 is 1601650116555.

It is not a de Polignac number, because 5556110561061 - 2²¹ = 5556108463909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556110561161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360474391 + ... + 360489803.

It is an arithmetic number, because the mean of its divisors is an integer number (236327509656).

Almost surely, 2^{5556110561061} is an apocalyptic number.

It is an amenable number.

5556110561061 is a deficient number, since it is larger than the sum of its proper divisors (2006369747931).

5556110561061 is a wasteful number, since it uses less digits than its factorization.

5556110561061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 5556110561061 in words is "five trillion, five hundred fifty-six billion, one hundred ten million, five hundred sixty-one thousand, sixty-one".