1145571141271 has 2 divisors, whose sum is σ = 1145571141272. Its totient is φ = 1145571141270.

The previous prime is 1145571141191. The next prime is 1145571141283. The reversal of 1145571141271 is 1721411755411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145571141271 - 2¹³ = 1145571133079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145571141371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572785570635 + 572785570636.

It is an arithmetic number, because the mean of its divisors is an integer number (572785570636).

Almost surely, 2^{1145571141271} is an apocalyptic number.

1145571141271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145571141271 is an equidigital number, since it uses as much as digits as its factorization.

1145571141271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 40.

Adding to 1145571141271 its reverse (1721411755411), we get a palindrome (2866982896682).

The spelling of 1145571141271 in words is "one trillion, one hundred forty-five billion, five hundred seventy-one million, one hundred forty-one thousand, two hundred seventy-one".