561061463120120 has 64 divisors (see below), whose sum is σ = 1287302089276800. Its totient is φ = 220027215703680.

The previous prime is 561061463120063. The next prime is 561061463120161. The reversal of 561061463120120 is 21021364160165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495527630 + ... + 496658589.

It is an arithmetic number, because the mean of its divisors is an integer number (20114095144950).

Almost surely, 2^{561061463120120} is an apocalyptic number.

It is an amenable number.

561061463120120 is an abundant number, since it is smaller than the sum of its proper divisors (726240626156680).

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

561061463120120 is a wasteful number, since it uses less digits than its factorization.

561061463120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992186508 (or 992186504 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 561061463120120 in words is "five hundred sixty-one trillion, sixty-one billion, four hundred sixty-three million, one hundred twenty thousand, one hundred twenty".