61565000585 has 16 divisors (see below), whose sum is σ = 81565202880. Its totient is φ = 44235090240.

The previous prime is 61565000573. The next prime is 61565000617. The reversal of 61565000585 is 58500056516.

It is not a de Polignac number, because 61565000585 - 2¹⁶ = 61564935049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6738590 + ... + 6747719.

It is an arithmetic number, because the mean of its divisors is an integer number (5097825180).

Almost surely, 2^61565000585 is an apocalyptic number.

It is an amenable number.

61565000585 is a deficient number, since it is larger than the sum of its proper divisors (20000202295).

61565000585 is a wasteful number, since it uses less digits than its factorization.

61565000585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486408.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 61565000585 in words is "sixty-one billion, five hundred sixty-five million, five hundred eighty-five", and thus it is an aban number.