272262721265 has 12 divisors (see below), whose sum is σ = 331381731252. Its totient is φ = 214742408160.

The previous prime is 272262721261. The next prime is 272262721267. The reversal of 272262721265 is 562127262272.

It can be written as a sum of positive squares in 2 ways, for example, as 74023173184 + 198239548081 = 272072^2 + 445241^2 .

It is not a de Polignac number, because 272262721265 - 2² = 272262721261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272262721261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5375762 + ... + 5426171.

It is an arithmetic number, because the mean of its divisors is an integer number (27615144271).

Almost surely, 2^272262721265 is an apocalyptic number.

It is an amenable number.

272262721265 is a deficient number, since it is larger than the sum of its proper divisors (59119009987).

272262721265 is an equidigital number, since it uses as much as digits as its factorization.

272262721265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802080 (or 10802009 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 272262721265 in words is "two hundred seventy-two billion, two hundred sixty-two million, seven hundred twenty-one thousand, two hundred sixty-five".