5555100561061 has 4 divisors (see below), whose sum is σ = 5555124613324. Its totient is φ = 5555076508800.

The previous prime is 5555100560993. The next prime is 5555100561089. The reversal of 5555100561061 is 1601650015555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5197533636100 + 357566924961 = 2279810^2 + 597969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555100561061 - 2¹⁵ = 5555100528293 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 (5555100562061) 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 3 ways as a sum of consecutive naturals, for example, 11676300 + ... + 12142741.

It is an arithmetic number, because the mean of its divisors is an integer number (1388781153331).

Almost surely, 2^{5555100561061} is an apocalyptic number.

It is an amenable number.

5555100561061 is a deficient number, since it is larger than the sum of its proper divisors (24052263).

5555100561061 is a wasteful number, since it uses less digits than its factorization.

5555100561061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24052262.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 5555100561061 in words is "five trillion, five hundred fifty-five billion, one hundred million, five hundred sixty-one thousand, sixty-one".