71526056206 has 64 divisors (see below), whose sum is σ = 124079454720. Its totient is φ = 30582351360.

The previous prime is 71526056171. The next prime is 71526056249. The reversal of 71526056206 is 60265062517.

It is a super-2 number, since 2×71526056206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 44508255 + ... + 44509861.

It is an arithmetic number, because the mean of its divisors is an integer number (1938741480).

Almost surely, 2^71526056206 is an apocalyptic number.

71526056206 is a deficient number, since it is larger than the sum of its proper divisors (52553398514).

71526056206 is a wasteful number, since it uses less digits than its factorization.

71526056206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 71526056206 in words is "seventy-one billion, five hundred twenty-six million, fifty-six thousand, two hundred six".