61055560605510 has 72 divisors (see below), whose sum is σ = 168631655695776. Its totient is φ = 15323748537600.

The previous prime is 61055560605491. The next prime is 61055560605587. The reversal of 61055560605510 is 1550606555016.

61055560605510 is a `hidden beast` number, since 6 + 10 + 5 + 5 + 5 + 60 + 60 + 5 + 510 = 666.

61055560605510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1173667966 + ... + 1173719985.

It is an arithmetic number, because the mean of its divisors is an integer number (2342106329108).

Almost surely, 2^{61055560605510} is an apocalyptic number.

61055560605510 is an abundant number, since it is smaller than the sum of its proper divisors (107576095090266).

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

61055560605510 is a wasteful number, since it uses less digits than its factorization.

61055560605510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347387998 (or 2347387978 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 61055560605510 in words is "sixty-one trillion, fifty-five billion, five hundred sixty million, six hundred five thousand, five hundred ten".