1315225155271 has 2 divisors, whose sum is σ = 1315225155272. Its totient is φ = 1315225155270.

The previous prime is 1315225155221. The next prime is 1315225155281. The reversal of 1315225155271 is 1725515225131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315225155271 - 2²¹ = 1315223058119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315225155221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657612577635 + 657612577636.

It is an arithmetic number, because the mean of its divisors is an integer number (657612577636).

Almost surely, 2^{1315225155271} is an apocalyptic number.

1315225155271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315225155271 is an equidigital number, since it uses as much as digits as its factorization.

1315225155271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 40.

The spelling of 1315225155271 in words is "one trillion, three hundred fifteen billion, two hundred twenty-five million, one hundred fifty-five thousand, two hundred seventy-one".