561303533303700 has 144 divisors (see below), whose sum is σ = 1771739437043520. Its totient is φ = 136068869888000.

The previous prime is 561303533303699. The next prime is 561303533303717. The reversal of 561303533303700 is 7303335303165.

It is a happy number.

It is a super-3 number, since 3×561303533303700³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92797990 + ... + 98661410.

It is an arithmetic number, because the mean of its divisors is an integer number (12303746090580).

Almost surely, 2^{561303533303700} is an apocalyptic number.

561303533303700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561303533303700 is an abundant number, since it is smaller than the sum of its proper divisors (1210435903739820).

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

561303533303700 is a wasteful number, since it uses less digits than its factorization.

561303533303700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892458 (or 5892451 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 42.

Adding to 561303533303700 its reverse (7303335303165), we get a palindrome (568606868606865).

The spelling of 561303533303700 in words is "five hundred sixty-one trillion, three hundred three billion, five hundred thirty-three million, three hundred three thousand, seven hundred".