11571671056116 has 48 divisors (see below), whose sum is σ = 27730436400128. Its totient is φ = 3753618472800.

The previous prime is 11571671056093. The next prime is 11571671056123. The reversal of 11571671056116 is 61165017617511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41236030 + ... + 41515701.

Almost surely, 2^{11571671056116} is an apocalyptic number.

It is an amenable number.

11571671056116 is an abundant number, since it is smaller than the sum of its proper divisors (16158765344012).

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

11571671056116 is a wasteful number, since it uses less digits than its factorization.

11571671056116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82752052 (or 82752050 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 48.

The spelling of 11571671056116 in words is "eleven trillion, five hundred seventy-one billion, six hundred seventy-one million, fifty-six thousand, one hundred sixteen".