61110606065 has 16 divisors (see below), whose sum is σ = 74243440128. Its totient is φ = 48283891776.

The previous prime is 61110606043. The next prime is 61110606077. The reversal of 61110606065 is 56060601116.

It is a cyclic number.

It is not a de Polignac number, because 61110606065 - 2³⁰ = 60036864241 is a prime.

It is a super-2 number, since 2×61110606065² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 33032 + ... + 351158.

It is an arithmetic number, because the mean of its divisors is an integer number (4640215008).

Almost surely, 2^61110606065 is an apocalyptic number.

It is an amenable number.

61110606065 is a deficient number, since it is larger than the sum of its proper divisors (13132834063).

61110606065 is a wasteful number, since it uses less digits than its factorization.

61110606065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318608.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 61110606065 in words is "sixty-one billion, one hundred ten million, six hundred six thousand, sixty-five".