71062455321025 has 27 divisors (see below), whose sum is σ = 102504391754121. Its totient is φ = 48728338475040.

The previous prime is 71062455320959. The next prime is 71062455321031. The reversal of 71062455321025 is 52012355426017.

The square root of 71062455321025 is 8429855.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 32289317452161 + 38773137868864 = 5682369^2 + 6226808^2 .

It is not a de Polignac number, because 71062455321025 - 2¹³ = 71062455312833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 294924499 + ... + 295165351.

Almost surely, 2^{71062455321025} is an apocalyptic number.

71062455321025 is the 8429855-th square number.

71062455321025 is the 4214928-th centered octagonal number.

It is an amenable number.

71062455321025 is a deficient number, since it is larger than the sum of its proper divisors (31441936433096).

71062455321025 is an frugal number, since it uses more digits than its factorization.

71062455321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481730 (or 240865 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 71062455321025 in words is "seventy-one trillion, sixty-two billion, four hundred fifty-five million, three hundred twenty-one thousand, twenty-five".