561055006000 has 40 divisors (see below), whose sum is σ = 1356631009344. Its totient is φ = 224422001600.

The previous prime is 561055005937. The next prime is 561055006123. The reversal of 561055006000 is 600550165.

561055006000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 561055006000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140261752 + ... + 140265751.

Almost surely, 2^561055006000 is an apocalyptic number.

561055006000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561055006000 is an abundant number, since it is smaller than the sum of its proper divisors (795576003344).

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

561055006000 is a wasteful number, since it uses less digits than its factorization.

561055006000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280527526 (or 280527510 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 561055006000 its reverse (600550165), we get a palindrome (561655556165).

The spelling of 561055006000 in words is "five hundred sixty-one billion, fifty-five million, six thousand".