561116727848 has 64 divisors (see below), whose sum is σ = 1174383360000. Its totient is φ = 250099983360.

The previous prime is 561116727841. The next prime is 561116727907. The reversal of 561116727848 is 848727611165.

It is a super-2 number, since 2×561116727848² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561116727793 and 561116727802.

It is not an unprimeable number, because it can be changed into a prime (561116727841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217723 + ... + 1614026.

It is an arithmetic number, because the mean of its divisors is an integer number (18349740000).

Almost surely, 2^561116727848 is an apocalyptic number.

It is an amenable number.

561116727848 is an abundant number, since it is smaller than the sum of its proper divisors (613266632152).

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

561116727848 is a wasteful number, since it uses less digits than its factorization.

561116727848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831850 (or 2831846 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The spelling of 561116727848 in words is "five hundred sixty-one billion, one hundred sixteen million, seven hundred twenty-seven thousand, eight hundred forty-eight".