61056060505 has 8 divisors (see below), whose sum is σ = 79927933824. Its totient is φ = 44404407600.

The previous prime is 61056060503. The next prime is 61056060517. The reversal of 61056060505 is 50506065016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61056060505 - 2¹ = 61056060503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61056060503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555055041 + ... + 555055150.

It is an arithmetic number, because the mean of its divisors is an integer number (9990991728).

Almost surely, 2^61056060505 is an apocalyptic number.

It is an amenable number.

61056060505 is a deficient number, since it is larger than the sum of its proper divisors (18871873319).

61056060505 is a wasteful number, since it uses less digits than its factorization.

61056060505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110207.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 61056060505 in words is "sixty-one billion, fifty-six million, sixty thousand, five hundred five".