1116665101650 has 384 divisors, whose sum is σ = 3453001850880. Its totient is φ = 233012183040.

The previous prime is 1116665101637. The next prime is 1116665101661. The reversal of 1116665101650 is 561015666111.

It is a junction number, because it is equal to n+sod(n) for n = 1116665101599 and 1116665101608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 94795461 + ... + 94807239.

It is an arithmetic number, because the mean of its divisors is an integer number (8992192320).

Almost surely, 2^{1116665101650} is an apocalyptic number.

1116665101650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116665101650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726500925440).

1116665101650 is an abundant number, since it is smaller than the sum of its proper divisors (2336336749230).

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

1116665101650 is a wasteful number, since it uses less digits than its factorization.

1116665101650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978 (or 11973 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 1116665101650 in words is "one trillion, one hundred sixteen billion, six hundred sixty-five million, one hundred one thousand, six hundred fifty".