1295312572511 has 2 divisors, whose sum is σ = 1295312572512. Its totient is φ = 1295312572510.

The previous prime is 1295312572481. The next prime is 1295312572549. The reversal of 1295312572511 is 1152752135921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295312572511 - 2²⁶ = 1295245463647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295312572811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647656286255 + 647656286256.

It is an arithmetic number, because the mean of its divisors is an integer number (647656286256).

Almost surely, 2^{1295312572511} is an apocalyptic number.

1295312572511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295312572511 is an equidigital number, since it uses as much as digits as its factorization.

1295312572511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 44.

The spelling of 1295312572511 in words is "one trillion, two hundred ninety-five billion, three hundred twelve million, five hundred seventy-two thousand, five hundred eleven".