561115446 has 8 divisors (see below), whose sum is σ = 1122230904. Its totient is φ = 187038480.

The previous prime is 561115411. The next prime is 561115459. The reversal of 561115446 is 644511165.

561115446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

561115446 is an admirable number.

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, 46759615 + ... + 46759626.

It is an arithmetic number, because the mean of its divisors is an integer number (140278863).

Almost surely, 2^561115446 is an apocalyptic number.

561115446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561115446 is a wasteful number, since it uses less digits than its factorization.

561115446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93519246.

The product of its digits is 14400, while the sum is 33.

The square root of 561115446 is about 23687.8755062585. The cubic root of 561115446 is about 824.8039673811.

The spelling of 561115446 in words is "five hundred sixty-one million, one hundred fifteen thousand, four hundred forty-six".