132220315645565 has 12 divisors (see below), whose sum is σ = 184568767146396. Its totient is φ = 90665359299648.

The previous prime is 132220315645529. The next prime is 132220315645601. The reversal of 132220315645565 is 565546513022231.

It is an interprime number because it is at equal distance from previous prime (132220315645529) and next prime (132220315645601).

It can be written as a sum of positive squares in 2 ways, for example, as 71835558043396 + 60384757602169 = 8475586^2 + 7770763^2 .

It is not a de Polignac number, because 132220315645565 - 2¹⁶ = 132220315580029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269837378624 + ... + 269837379113.

It is an arithmetic number, because the mean of its divisors is an integer number (15380730595533).

Almost surely, 2^{132220315645565} is an apocalyptic number.

It is an amenable number.

132220315645565 is a deficient number, since it is larger than the sum of its proper divisors (52348451500831).

132220315645565 is an equidigital number, since it uses as much as digits as its factorization.

132220315645565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539674757756 (or 539674757749 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

Adding to 132220315645565 its reverse (565546513022231), we get a palindrome (697766828667796).

The spelling of 132220315645565 in words is "one hundred thirty-two trillion, two hundred twenty billion, three hundred fifteen million, six hundred forty-five thousand, five hundred sixty-five".