65532361243 has 16 divisors (see below), whose sum is σ = 71856360576. Its totient is φ = 59517279360.

The previous prime is 65532361099. The next prime is 65532361253. The reversal of 65532361243 is 34216323556.

It is a cyclic number.

It is not a de Polignac number, because 65532361243 - 2¹⁷ = 65532230171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65532361196 and 65532361205.

It is not an unprimeable number, because it can be changed into a prime (65532361253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479373 + ... + 600718.

It is an arithmetic number, because the mean of its divisors is an integer number (4491022536).

Almost surely, 2^65532361243 is an apocalyptic number.

65532361243 is a deficient number, since it is larger than the sum of its proper divisors (6323999333).

65532361243 is a wasteful number, since it uses less digits than its factorization.

65532361243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080234.

The product of its digits is 388800, while the sum is 40.

Adding to 65532361243 its reverse (34216323556), we get a palindrome (99748684799).

The spelling of 65532361243 in words is "sixty-five billion, five hundred thirty-two million, three hundred sixty-one thousand, two hundred forty-three".