61065655530533 has 8 divisors (see below), whose sum is σ = 65753647032960. Its totient is φ = 56499430041280.

The previous prime is 61065655530511. The next prime is 61065655530541. The reversal of 61065655530533 is 33503555656016.

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 61065655530533 - 2¹⁶ = 61065655464997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61065655530833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30441502253 + ... + 30441504258.

It is an arithmetic number, because the mean of its divisors is an integer number (8219205879120).

Almost surely, 2^{61065655530533} is an apocalyptic number.

It is an amenable number.

61065655530533 is a deficient number, since it is larger than the sum of its proper divisors (4687991502427).

61065655530533 is a wasteful number, since it uses less digits than its factorization.

61065655530533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60883006587.

The product of its (nonzero) digits is 18225000, while the sum is 53.

The spelling of 61065655530533 in words is "sixty-one trillion, sixty-five billion, six hundred fifty-five million, five hundred thirty thousand, five hundred thirty-three".