2116455405356 has 12 divisors (see below), whose sum is σ = 3704071673568. Its totient is φ = 1058149212912.

The previous prime is 2116455405353. The next prime is 2116455405371. The reversal of 2116455405356 is 6535045546112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2116455405356.

It is not an unprimeable number, because it can be changed into a prime (2116455405353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19561751 + ... + 19669646.

It is an arithmetic number, because the mean of its divisors is an integer number (308672639464).

Almost surely, 2^{2116455405356} is an apocalyptic number.

It is an amenable number.

2116455405356 is a deficient number, since it is larger than the sum of its proper divisors (1587616268212).

2116455405356 is a wasteful number, since it uses less digits than its factorization.

2116455405356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39244888 (or 39244886 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 2116455405356 in words is "two trillion, one hundred sixteen billion, four hundred fifty-five million, four hundred five thousand, three hundred fifty-six".