561575003000 has 128 divisors (see below), whose sum is σ = 1435498122240. Its totient is φ = 203931280000.

The previous prime is 561575002999. The next prime is 561575003027. The reversal of 561575003000 is 300575165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8138645 + ... + 8207355.

It is an arithmetic number, because the mean of its divisors is an integer number (11214829080).

Almost surely, 2^561575003000 is an apocalyptic number.

561575003000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561575003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717749061120).

561575003000 is an abundant number, since it is smaller than the sum of its proper divisors (873923119240).

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

561575003000 is a wasteful number, since it uses less digits than its factorization.

561575003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69486 (or 69472 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 32.

Adding to 561575003000 its reverse (300575165), we get a palindrome (561875578165).

The spelling of 561575003000 in words is "five hundred sixty-one billion, five hundred seventy-five million, three thousand".