65534255233561 has 8 divisors (see below), whose sum is σ = 65831345443584. Its totient is φ = 65237193726000.

The previous prime is 65534255233537. The next prime is 65534255233591. The reversal of 65534255233561 is 16533255243556.

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 65534255233561 - 2¹⁵ = 65534255200793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65534255233591) 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, 2592190 + ... + 11738311.

It is an arithmetic number, because the mean of its divisors is an integer number (8228918180448).

Almost surely, 2^{65534255233561} is an apocalyptic number.

It is an amenable number.

65534255233561 is a deficient number, since it is larger than the sum of its proper divisors (297090210023).

65534255233561 is a wasteful number, since it uses less digits than its factorization.

65534255233561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14351231.

The product of its digits is 48600000, while the sum is 55.

The spelling of 65534255233561 in words is "sixty-five trillion, five hundred thirty-four billion, two hundred fifty-five million, two hundred thirty-three thousand, five hundred sixty-one".