61180569560 has 64 divisors (see below), whose sum is σ = 155014732800. Its totient is φ = 21529814400.

The previous prime is 61180569551. The next prime is 61180569617. The reversal of 61180569560 is 6596508116.

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, 2229050 + ... + 2256329.

It is an arithmetic number, because the mean of its divisors is an integer number (2422105200).

Almost surely, 2^61180569560 is an apocalyptic number.

It is an amenable number.

61180569560 is an abundant number, since it is smaller than the sum of its proper divisors (93834163240).

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

61180569560 is a wasteful number, since it uses less digits than its factorization.

61180569560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485432 (or 4485428 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 61180569560 in words is "sixty-one billion, one hundred eighty million, five hundred sixty-nine thousand, five hundred sixty".