556106055061 has 4 divisors (see below), whose sum is σ = 556629203872. Its totient is φ = 555582906252.

The previous prime is 556106055053. The next prime is 556106055173. The reversal of 556106055061 is 160550601655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556106055061 - 2³ = 556106055053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556106455061) 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 3 ways as a sum of consecutive naturals, for example, 261572811 + ... + 261574936.

It is an arithmetic number, because the mean of its divisors is an integer number (139157300968).

Almost surely, 2^556106055061 is an apocalyptic number.

It is an amenable number.

556106055061 is a deficient number, since it is larger than the sum of its proper divisors (523148811).

556106055061 is a wasteful number, since it uses less digits than its factorization.

556106055061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523148810.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 556106055061 in words is "five hundred fifty-six billion, one hundred six million, fifty-five thousand, sixty-one".