71213173111996 has 12 divisors (see below), whose sum is σ = 124623409641640. Its totient is φ = 35606484642960.

The previous prime is 71213173111981. The next prime is 71213173112087. The reversal of 71213173111996 is 69911137131217.

It is a super-3 number, since 3×71213173111996³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23895111 + ... + 26709598.

Almost surely, 2^{71213173111996} is an apocalyptic number.

It is an amenable number.

71213173111996 is a deficient number, since it is larger than the sum of its proper divisors (53410236529644).

71213173111996 is a wasteful number, since it uses less digits than its factorization.

71213173111996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50956524 (or 50956522 counting only the distinct ones).

The product of its digits is 428652, while the sum is 52.

The spelling of 71213173111996 in words is "seventy-one trillion, two hundred thirteen billion, one hundred seventy-three million, one hundred eleven thousand, nine hundred ninety-six".