1240075270571 has 2 divisors, whose sum is σ = 1240075270572. Its totient is φ = 1240075270570.

The previous prime is 1240075270547. The next prime is 1240075270631. The reversal of 1240075270571 is 1750725700421.

It is a weak prime.

It is an emirp because it is prime and its reverse (1750725700421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240075270571 - 2²² = 1240071076267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240075270531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620037635285 + 620037635286.

It is an arithmetic number, because the mean of its divisors is an integer number (620037635286).

Almost surely, 2^{1240075270571} is an apocalyptic number.

1240075270571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240075270571 is an equidigital number, since it uses as much as digits as its factorization.

1240075270571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 1240075270571 in words is "one trillion, two hundred forty billion, seventy-five million, two hundred seventy thousand, five hundred seventy-one".