10272171065 has 16 divisors (see below), whose sum is σ = 13633587408. Its totient is φ = 7380585216.

The previous prime is 10272171061. The next prime is 10272171071. The reversal of 10272171065 is 56017127201.

It can be written as a sum of positive squares in 8 ways, for example, as 108910096 + 10163260969 = 10436^2 + 100813^2 .

It is a cyclic number.

It is not a de Polignac number, because 10272171065 - 2² = 10272171061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10272171061) 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, 2133182 + ... + 2137991.

It is an arithmetic number, because the mean of its divisors is an integer number (852099213).

Almost surely, 2^10272171065 is an apocalyptic number.

It is an amenable number.

10272171065 is a deficient number, since it is larger than the sum of its proper divisors (3361416343).

10272171065 is a wasteful number, since it uses less digits than its factorization.

10272171065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271228.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 10272171065 its reverse (56017127201), we get a palindrome (66289298266).

The spelling of 10272171065 in words is "ten billion, two hundred seventy-two million, one hundred seventy-one thousand, sixty-five".