71045572354087 has 2 divisors, whose sum is σ = 71045572354088. Its totient is φ = 71045572354086.

The previous prime is 71045572354013. The next prime is 71045572354121. The reversal of 71045572354087 is 78045327554017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71045572354087 - 2¹⁵ = 71045572321319 is a prime.

It is a super-2 number, since 2×71045572354087² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71045572354487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35522786177043 + 35522786177044.

It is an arithmetic number, because the mean of its divisors is an integer number (35522786177044).

Almost surely, 2^{71045572354087} is an apocalyptic number.

71045572354087 is a deficient number, since it is larger than the sum of its proper divisors (1).

71045572354087 is an equidigital number, since it uses as much as digits as its factorization.

71045572354087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 71045572354087 in words is "seventy-one trillion, forty-five billion, five hundred seventy-two million, three hundred fifty-four thousand, eighty-seven".