561060505100 has 18 divisors (see below), whose sum is σ = 1217501296284. Its totient is φ = 224424202000.

The previous prime is 561060505099. The next prime is 561060505127. The reversal of 561060505100 is 1505060165.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2805302426 + ... + 2805302625.

Almost surely, 2^561060505100 is an apocalyptic number.

561060505100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561060505100 is an abundant number, since it is smaller than the sum of its proper divisors (656440791184).

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

561060505100 is a wasteful number, since it uses less digits than its factorization.

561060505100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610605065 (or 5610605058 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 561060505100 its reverse (1505060165), we get a palindrome (562565565265).

The spelling of 561060505100 in words is "five hundred sixty-one billion, sixty million, five hundred five thousand, one hundred".