116121503816780 has 192 divisors, whose sum is σ = 320055432883200. Its totient is φ = 34285912657920.

The previous prime is 116121503816777. The next prime is 116121503816789. The reversal of 116121503816780 is 87618305121611.

It is not an unprimeable number, because it can be changed into a prime (116121503816789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362927432 + ... + 363247248.

It is an arithmetic number, because the mean of its divisors is an integer number (1666955379600).

Almost surely, 2^{116121503816780} is an apocalyptic number.

116121503816780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116121503816780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160027716441600).

116121503816780 is an abundant number, since it is smaller than the sum of its proper divisors (203933929066420).

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

116121503816780 is a wasteful number, since it uses less digits than its factorization.

116121503816780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332272 (or 332270 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 116121503816780 in words is "one hundred sixteen trillion, one hundred twenty-one billion, five hundred three million, eight hundred sixteen thousand, seven hundred eighty".