1375127515271 has 2 divisors, whose sum is σ = 1375127515272. Its totient is φ = 1375127515270.

The previous prime is 1375127515217. The next prime is 1375127515387. The reversal of 1375127515271 is 1725157215731.

Together with previous prime (1375127515217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375127515271 - 2³⁸ = 1100249608327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375127515471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687563757635 + 687563757636.

It is an arithmetic number, because the mean of its divisors is an integer number (687563757636).

Almost surely, 2^{1375127515271} is an apocalyptic number.

1375127515271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375127515271 is an equidigital number, since it uses as much as digits as its factorization.

1375127515271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514500, while the sum is 47.

The spelling of 1375127515271 in words is "one trillion, three hundred seventy-five billion, one hundred twenty-seven million, five hundred fifteen thousand, two hundred seventy-one".