61348560580 has 12 divisors (see below), whose sum is σ = 128831977260. Its totient is φ = 24539424224.

The previous prime is 61348560577. The next prime is 61348560599. The reversal of 61348560580 is 8506584316.

It can be written as a sum of positive squares in 2 ways, for example, as 36387088516 + 24961472064 = 190754^2 + 157992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61348560580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533713995 + ... + 1533714034.

It is an arithmetic number, because the mean of its divisors is an integer number (10735998105).

Almost surely, 2^61348560580 is an apocalyptic number.

It is an amenable number.

61348560580 is an abundant number, since it is smaller than the sum of its proper divisors (67483416680).

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

61348560580 is a wasteful number, since it uses less digits than its factorization.

61348560580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067428038 (or 3067428036 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 61348560580 in words is "sixty-one billion, three hundred forty-eight million, five hundred sixty thousand, five hundred eighty".