61052043217 has 8 divisors (see below), whose sum is σ = 67043305152. Its totient is φ = 55134294000.

The previous prime is 61052043191. The next prime is 61052043229. The reversal of 61052043217 is 71234025016.

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 61052043217 - 2⁷ = 61052043089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61052049217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18376438 + ... + 18379759.

It is an arithmetic number, because the mean of its divisors is an integer number (8380413144).

Almost surely, 2^61052043217 is an apocalyptic number.

It is an amenable number.

61052043217 is a deficient number, since it is larger than the sum of its proper divisors (5991261935).

61052043217 is a wasteful number, since it uses less digits than its factorization.

61052043217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36756359.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 61052043217 in words is "sixty-one billion, fifty-two million, forty-three thousand, two hundred seventeen".