12765527233 has 2 divisors, whose sum is σ = 12765527234. Its totient is φ = 12765527232.

The previous prime is 12765527189. The next prime is 12765527309. The reversal of 12765527233 is 33272556721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11990907009 + 774620224 = 109503^2 + 27832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12765527233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12765527233.

It is not a weakly prime, because it can be changed into another prime (12765521233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382763616 + 6382763617.

It is an arithmetic number, because the mean of its divisors is an integer number (6382763617).

Almost surely, 2^12765527233 is an apocalyptic number.

It is an amenable number.

12765527233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765527233 is an equidigital number, since it uses as much as digits as its factorization.

12765527233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 43.

The spelling of 12765527233 in words is "twelve billion, seven hundred sixty-five million, five hundred twenty-seven thousand, two hundred thirty-three".