71071493995 has 8 divisors (see below), whose sum is σ = 86068231920. Its totient is φ = 56335569120.

The previous prime is 71071493951. The next prime is 71071494029. The reversal of 71071493995 is 59939417017.

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

It is not a de Polignac number, because 71071493995 - 2⁹ = 71071493483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65202661 + ... + 65203750.

It is an arithmetic number, because the mean of its divisors is an integer number (10758528990).

Almost surely, 2^71071493995 is an apocalyptic number.

71071493995 is a deficient number, since it is larger than the sum of its proper divisors (14996737925).

71071493995 is a wasteful number, since it uses less digits than its factorization.

71071493995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130406525.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 71071493995 in words is "seventy-one billion, seventy-one million, four hundred ninety-three thousand, nine hundred ninety-five".