71535071710783 has 2 divisors, whose sum is σ = 71535071710784. Its totient is φ = 71535071710782.

The previous prime is 71535071710777. The next prime is 71535071710799. The reversal of 71535071710783 is 38701717053517.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71535071710783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71535071710283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35767535855391 + 35767535855392.

It is an arithmetic number, because the mean of its divisors is an integer number (35767535855392).

Almost surely, 2^{71535071710783} is an apocalyptic number.

71535071710783 is a deficient number, since it is larger than the sum of its proper divisors (1).

71535071710783 is an equidigital number, since it uses as much as digits as its factorization.

71535071710783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4321800, while the sum is 55.

The spelling of 71535071710783 in words is "seventy-one trillion, five hundred thirty-five billion, seventy-one million, seven hundred ten thousand, seven hundred eighty-three".