61056560515005 has 48 divisors (see below), whose sum is σ = 118268317702080. Its totient is φ = 28881152044800.

The previous prime is 61056560514973. The next prime is 61056560515061. The reversal of 61056560515005 is 50051506565016.

61056560515005 is a `hidden beast` number, since 6 + 10 + 5 + 65 + 60 + 515 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 61056560515005 - 2⁵ = 61056560514973 is a prime.

It is a super-3 number, since 3×61056560515005³ (a number of 42 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1504206375 + ... + 1504246964.

It is an arithmetic number, because the mean of its divisors is an integer number (2463923285460).

Almost surely, 2^{61056560515005} is an apocalyptic number.

It is an amenable number.

61056560515005 is a deficient number, since it is larger than the sum of its proper divisors (57211757187075).

61056560515005 is a wasteful number, since it uses less digits than its factorization.

61056560515005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008453402 (or 3008453399 counting only the distinct ones).

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

The spelling of 61056560515005 in words is "sixty-one trillion, fifty-six billion, five hundred sixty million, five hundred fifteen thousand, five".