14215705780000 has 120 divisors (see below), whose sum is σ = 34975477249020. Its totient is φ = 5685841920000.

The previous prime is 14215705779997. The next prime is 14215705780009. The reversal of 14215705780000 is 8750751241.

It can be written as a sum of positive squares in 10 ways, for example, as 536685177744 + 13679020602256 = 732588^2 + 3698516^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (14215705780009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 413602816 + ... + 413637184.

Almost surely, 2^{14215705780000} is an apocalyptic number.

14215705780000 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 14215705780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17487738624510).

14215705780000 is an abundant number, since it is smaller than the sum of its proper divisors (20759771469020).

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

14215705780000 is an equidigital number, since it uses as much as digits as its factorization.

14215705780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55080 (or 55057 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 14215705780000 in words is "fourteen trillion, two hundred fifteen billion, seven hundred five million, seven hundred eighty thousand".