61000060205 has 8 divisors (see below), whose sum is σ = 83657225472. Its totient is φ = 41828612688.

The previous prime is 61000060181. The next prime is 61000060217. The reversal of 61000060205 is 50206000016.

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

It is a cyclic number.

It is not a de Polignac number, because 61000060205 - 2⁶ = 61000060141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 871429397 + ... + 871429466.

It is an arithmetic number, because the mean of its divisors is an integer number (10457153184).

Almost surely, 2^61000060205 is an apocalyptic number.

It is an amenable number.

61000060205 is a deficient number, since it is larger than the sum of its proper divisors (22657165267).

61000060205 is a wasteful number, since it uses less digits than its factorization.

61000060205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742858875.

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 61000060205 in words is "sixty-one billion, sixty thousand, two hundred five".