561011006 has 8 divisors (see below), whose sum is σ = 842311344. Its totient is φ = 280240560.

The previous prime is 561010997. The next prime is 561011021. The reversal of 561011006 is 600110165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129815 + ... + 134066.

It is an arithmetic number, because the mean of its divisors is an integer number (105288918).

Almost surely, 2^561011006 is an apocalyptic number.

561011006 is a deficient number, since it is larger than the sum of its proper divisors (281300338).

561011006 is a wasteful number, since it uses less digits than its factorization.

561011006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264946.

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

The square root of 561011006 is about 23685.6709003566. The cubic root of 561011006 is about 824.7527908231.

The spelling of 561011006 in words is "five hundred sixty-one million, eleven thousand, six".