2116613265312 has 216 divisors, whose sum is σ = 6998647906656.
Its totient is φ = 558227464704.
The previous prime is 2116613265293. The next prime is 2116613265329. The reversal of 2116613265312 is 2135623166112.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 536268 + ... + 2126219.
It is an arithmetic number, because the mean of its divisors is an integer number (32401147716).
Almost surely, 22116613265312 is an apocalyptic number.
It is an amenable number.
2116613265312 is an abundant number, since it is smaller than the sum of its proper divisors (4882034641344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2116613265312 is a wasteful number, since it uses less digits than its factorization.
2116613265312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2662540 (or 2662512 counting only the distinct ones).
The product of its digits is 77760, while the sum is 39.
The spelling of 2116613265312 in words is "two trillion, one hundred sixteen billion, six hundred thirteen million, two hundred sixty-five thousand, three hundred twelve".