61005160005 has 32 divisors (see below), whose sum is σ = 102760496640. Its totient is φ = 30819170880.

The previous prime is 61005159983. The next prime is 61005160037. The reversal of 61005160005 is 50006150016.

It is not a de Polignac number, because 61005160005 - 2⁵ = 61005159973 is a prime.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2899654 + ... + 2920616.

It is an arithmetic number, because the mean of its divisors is an integer number (3211265520).

Almost surely, 2^61005160005 is an apocalyptic number.

It is an amenable number.

61005160005 is a deficient number, since it is larger than the sum of its proper divisors (41755336635).

61005160005 is a wasteful number, since it uses less digits than its factorization.

61005160005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 61005160005 in words is "sixty-one billion, five million, one hundred sixty thousand, five".