5561100206 has 4 divisors (see below), whose sum is σ = 8341650312. Its totient is φ = 2780550102.

The previous prime is 5561100143. The next prime is 5561100227. The reversal of 5561100206 is 6020011655.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390275050 + ... + 1390275053.

It is an arithmetic number, because the mean of its divisors is an integer number (2085412578).

Almost surely, 2^5561100206 is an apocalyptic number.

5561100206 is a deficient number, since it is larger than the sum of its proper divisors (2780550106).

5561100206 is a wasteful number, since it uses less digits than its factorization.

5561100206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780550105.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5561100206 is about 74572.7846201280. The cubic root of 5561100206 is about 1771.6866264269.

The spelling of 5561100206 in words is "five billion, five hundred sixty-one million, one hundred thousand, two hundred six".