71241440801 has 2 divisors, whose sum is σ = 71241440802. Its totient is φ = 71241440800.

The previous prime is 71241440791. The next prime is 71241440821. The reversal of 71241440801 is 10804414217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51529000000 + 19712440801 = 227000^2 + 140401^2 .

It is an emirp because it is prime and its reverse (10804414217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71241440801 - 2⁶ = 71241440737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71241440821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35620720400 + 35620720401.

It is an arithmetic number, because the mean of its divisors is an integer number (35620720401).

Almost surely, 2^71241440801 is an apocalyptic number.

It is an amenable number.

71241440801 is a deficient number, since it is larger than the sum of its proper divisors (1).

71241440801 is an equidigital number, since it uses as much as digits as its factorization.

71241440801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 71241440801 in words is "seventy-one billion, two hundred forty-one million, four hundred forty thousand, eight hundred one".