65532112036231 has 4 divisors (see below), whose sum is σ = 65577400297552. Its totient is φ = 65486823774912.

The previous prime is 65532112036213. The next prime is 65532112036253. The reversal of 65532112036231 is 13263021123556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65532112036231 - 2⁷ = 65532112036103 is a prime.

It is a super-2 number, since 2×65532112036231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65532112036211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22644128490 + ... + 22644131383.

It is an arithmetic number, because the mean of its divisors is an integer number (16394350074388).

Almost surely, 2^{65532112036231} is an apocalyptic number.

65532112036231 is a deficient number, since it is larger than the sum of its proper divisors (45288261321).

65532112036231 is a wasteful number, since it uses less digits than its factorization.

65532112036231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288261320.

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 65532112036231 its reverse (13263021123556), we get a palindrome (78795133159787).

The spelling of 65532112036231 in words is "sixty-five trillion, five hundred thirty-two billion, one hundred twelve million, thirty-six thousand, two hundred thirty-one".