71018319911 has 8 divisors (see below), whose sum is σ = 88542321024. Its totient is φ = 55338950520.

The previous prime is 71018319857. The next prime is 71018319929. The reversal of 71018319911 is 11991381017.

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

It is not a de Polignac number, because 71018319911 - 2²⁶ = 70951211047 is a prime.

It is a super-2 number, since 2×71018319911² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71018319311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461157845 + ... + 461157998.

It is an arithmetic number, because the mean of its divisors is an integer number (11067790128).

Almost surely, 2^71018319911 is an apocalyptic number.

71018319911 is a deficient number, since it is larger than the sum of its proper divisors (17524001113).

71018319911 is a wasteful number, since it uses less digits than its factorization.

71018319911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922315861.

The product of its (nonzero) digits is 13608, while the sum is 41.

The spelling of 71018319911 in words is "seventy-one billion, eighteen million, three hundred nineteen thousand, nine hundred eleven".