71250557207 has 2 divisors, whose sum is σ = 71250557208. Its totient is φ = 71250557206.

The previous prime is 71250557171. The next prime is 71250557221. The reversal of 71250557207 is 70275505217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71250557207 - 2³⁰ = 70176815383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71250557227) 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, 35625278603 + 35625278604.

It is an arithmetic number, because the mean of its divisors is an integer number (35625278604).

Almost surely, 2^71250557207 is an apocalyptic number.

71250557207 is a deficient number, since it is larger than the sum of its proper divisors (1).

71250557207 is an equidigital number, since it uses as much as digits as its factorization.

71250557207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 171500, while the sum is 41.

The spelling of 71250557207 in words is "seventy-one billion, two hundred fifty million, five hundred fifty-seven thousand, two hundred seven".