61560560724 has 48 divisors (see below), whose sum is σ = 160024811520. Its totient is φ = 18288547200.

The previous prime is 61560560723. The next prime is 61560560729. The reversal of 61560560724 is 42706506516.

61560560724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61560560723) 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, 6799252 + ... + 6808299.

It is an arithmetic number, because the mean of its divisors is an integer number (3333850240).

Almost surely, 2^61560560724 is an apocalyptic number.

It is an amenable number.

61560560724 is an abundant number, since it is smaller than the sum of its proper divisors (98464250796).

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

61560560724 is a wasteful number, since it uses less digits than its factorization.

61560560724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607600 (or 13607598 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 61560560724 in words is "sixty-one billion, five hundred sixty million, five hundred sixty thousand, seven hundred twenty-four".