61116305 has 8 divisors (see below), whose sum is σ = 74096232. Its totient is φ = 48388608.

The previous prime is 61116299. The next prime is 61116317. The reversal of 61116305 is 50361116.

It is a happy number.

61116305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 61105489 = 104^2 + 7817^2 .

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 61116305 - 2¹⁰ = 61115281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62522 + ... + 63491.

It is an arithmetic number, because the mean of its divisors is an integer number (9262029).

Almost surely, 2^61116305 is an apocalyptic number.

It is an amenable number.

61116305 is a deficient number, since it is larger than the sum of its proper divisors (12979927).

61116305 is a wasteful number, since it uses less digits than its factorization.

61116305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126115.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 61116305 is about 7817.6917948970. The cubic root of 61116305 is about 393.8997421560.

The spelling of 61116305 in words is "sixty-one million, one hundred sixteen thousand, three hundred five".