71855055555 has 16 divisors (see below), whose sum is σ = 115739690400. Its totient is φ = 38065495808.

The previous prime is 71855055539. The next prime is 71855055577. The reversal of 71855055555 is 55555055817.

It is a cyclic number.

It is not a de Polignac number, because 71855055555 - 2⁴ = 71855055539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71855055498 and 71855055507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16072722 + ... + 16077191.

It is an arithmetic number, because the mean of its divisors is an integer number (7233730650).

Almost surely, 2^71855055555 is an apocalyptic number.

71855055555 is a deficient number, since it is larger than the sum of its proper divisors (43884634845).

71855055555 is a wasteful number, since it uses less digits than its factorization.

71855055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32150070.

The product of its (nonzero) digits is 4375000, while the sum is 51.

The spelling of 71855055555 in words is "seventy-one billion, eight hundred fifty-five million, fifty-five thousand, five hundred fifty-five".