561488453652 has 24 divisors (see below), whose sum is σ = 1497302543296. Its totient is φ = 160425272448.

The previous prime is 561488453633. The next prime is 561488453677. The reversal of 561488453652 is 256354884165.

It is a junction number, because it is equal to n+sod(n) for n = 561488453592 and 561488453601.

It is a congruent number.

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, 3342193093 + ... + 3342193260.

Almost surely, 2^561488453652 is an apocalyptic number.

It is an amenable number.

561488453652 is an abundant number, since it is smaller than the sum of its proper divisors (935814089644).

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

561488453652 is a wasteful number, since it uses less digits than its factorization.

561488453652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684386367 (or 6684386365 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 561488453652 in words is "five hundred sixty-one billion, four hundred eighty-eight million, four hundred fifty-three thousand, six hundred fifty-two".