83117751512116 has 6 divisors (see below), whose sum is σ = 145456065146210. Its totient is φ = 41558875756056.

The previous prime is 83117751512083. The next prime is 83117751512119. The reversal of 83117751512116 is 61121515771138.

It can be written as a sum of positive squares in only one way, i.e., 43868102890000 + 39249648622116 = 6623300^2 + 6264954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83117751512116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117751512119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10389718939011 + ... + 10389718939018.

Almost surely, 2^{83117751512116} is an apocalyptic number.

It is an amenable number.

83117751512116 is a deficient number, since it is larger than the sum of its proper divisors (62338313634094).

83117751512116 is a wasteful number, since it uses less digits than its factorization.

83117751512116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779437878033 (or 20779437878031 counting only the distinct ones).

The product of its digits is 352800, while the sum is 49.

The spelling of 83117751512116 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred fifty-one million, five hundred twelve thousand, one hundred sixteen".