61055560610 has 24 divisors (see below), whose sum is σ = 120799185948. Its totient is φ = 22202021600.

The previous prime is 61055560609. The next prime is 61055560633. The reversal of 61055560610 is 1606555016.

It can be written as a sum of positive squares in 2 ways, for example, as 61054950649 + 609961 = 247093^2 + 781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25228361 + ... + 25230780.

Almost surely, 2^61055560610 is an apocalyptic number.

61055560610 is a deficient number, since it is larger than the sum of its proper divisors (59743625338).

61055560610 is a wasteful number, since it uses less digits than its factorization.

61055560610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50459170 (or 50459159 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 61055560610 in words is "sixty-one billion, fifty-five million, five hundred sixty thousand, six hundred ten".