71108849128 has 16 divisors (see below), whose sum is σ = 134623550880. Its totient is φ = 35209235568.

The previous prime is 71108849113. The next prime is 71108849131. The reversal of 71108849128 is 82194880117.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43147750 + ... + 43149397.

It is an arithmetic number, because the mean of its divisors is an integer number (8413971930).

Almost surely, 2^71108849128 is an apocalyptic number.

It is an amenable number.

71108849128 is a deficient number, since it is larger than the sum of its proper divisors (63514701752).

71108849128 is a wasteful number, since it uses less digits than its factorization.

71108849128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86297256 (or 86297252 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 49.

The spelling of 71108849128 in words is "seventy-one billion, one hundred eight million, eight hundred forty-nine thousand, one hundred twenty-eight".