61103365265 has 8 divisors (see below), whose sum is σ = 76512040128. Its totient is φ = 46757357680.

The previous prime is 61103365259. The next prime is 61103365291. The reversal of 61103365265 is 56256330116.

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

It is not a de Polignac number, because 61103365265 - 2⁴ = 61103365249 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265666691 + ... + 265666920.

It is an arithmetic number, because the mean of its divisors is an integer number (9564005016).

Almost surely, 2^61103365265 is an apocalyptic number.

It is an amenable number.

61103365265 is a deficient number, since it is larger than the sum of its proper divisors (15408674863).

61103365265 is a wasteful number, since it uses less digits than its factorization.

61103365265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531333639.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 61103365265 in words is "sixty-one billion, one hundred three million, three hundred sixty-five thousand, two hundred sixty-five".