71177277821116 has 48 divisors (see below), whose sum is σ = 134518981459968. Its totient is φ = 32857186032000.

The previous prime is 71177277821099. The next prime is 71177277821161. The reversal of 71177277821116 is 61112877277117.

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, 31488585 + ... + 33673216.

It is an arithmetic number, because the mean of its divisors is an integer number (2802478780416).

Almost surely, 2^{71177277821116} is an apocalyptic number.

It is an amenable number.

71177277821116 is a deficient number, since it is larger than the sum of its proper divisors (63341703638852).

71177277821116 is a wasteful number, since it uses less digits than its factorization.

71177277821116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65162242 (or 65162240 counting only the distinct ones).

The product of its digits is 3226944, while the sum is 58.

The spelling of 71177277821116 in words is "seventy-one trillion, one hundred seventy-seven billion, two hundred seventy-seven million, eight hundred twenty-one thousand, one hundred sixteen".