71057512855 has 8 divisors (see below), whose sum is σ = 97450303392. Its totient is φ = 48725151648.

The previous prime is 71057512819. The next prime is 71057512859. The reversal of 71057512855 is 55821575017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71057512855 - 2⁷ = 71057512727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71057512859) 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 in 7 ways as a sum of consecutive naturals, for example, 1015107292 + ... + 1015107361.

It is an arithmetic number, because the mean of its divisors is an integer number (12181287924).

Almost surely, 2^71057512855 is an apocalyptic number.

71057512855 is a deficient number, since it is larger than the sum of its proper divisors (26392790537).

71057512855 is a wasteful number, since it uses less digits than its factorization.

71057512855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030214665.

The product of its (nonzero) digits is 490000, while the sum is 46.

The spelling of 71057512855 in words is "seventy-one billion, fifty-seven million, five hundred twelve thousand, eight hundred fifty-five".