561110006 has 4 divisors (see below), whose sum is σ = 841665012. Its totient is φ = 280555002.

The previous prime is 561109999. The next prime is 561110027. The reversal of 561110006 is 600011165.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 561110006.

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, 140277500 + ... + 140277503.

It is an arithmetic number, because the mean of its divisors is an integer number (210416253).

Almost surely, 2^561110006 is an apocalyptic number.

561110006 is a deficient number, since it is larger than the sum of its proper divisors (280555006).

561110006 is a wasteful number, since it uses less digits than its factorization.

561110006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280555005.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 561110006 is about 23687.7606793044. The cubic root of 561110006 is about 824.8013018880.

The spelling of 561110006 in words is "five hundred sixty-one million, one hundred ten thousand, six".