71015888034 has 48 divisors (see below), whose sum is σ = 189375705792. Its totient is φ = 18729464544.

The previous prime is 71015888011. The next prime is 71015888051. The reversal of 71015888034 is 43088851017.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 21675984 + ... + 21679259.

It is an arithmetic number, because the mean of its divisors is an integer number (3945327204).

Almost surely, 2^71015888034 is an apocalyptic number.

71015888034 is an abundant number, since it is smaller than the sum of its proper divisors (118359817758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71015888034 is a wasteful number, since it uses less digits than its factorization.

71015888034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43355271 (or 43355268 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 71015888034 in words is "seventy-one billion, fifteen million, eight hundred eighty-eight thousand, thirty-four".