13778381084214 has 32 divisors (see below), whose sum is σ = 27838267052544. Its totient is φ = 4545920969280.

The previous prime is 13778381084213. The next prime is 13778381084341. The reversal of 13778381084214 is 41248018387731.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13778381084213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4361682 + ... + 6825029.

It is an arithmetic number, because the mean of its divisors is an integer number (869945845392).

Almost surely, 2^{13778381084214} is an apocalyptic number.

13778381084214 is an abundant number, since it is smaller than the sum of its proper divisors (14059885968330).

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

13778381084214 is a wasteful number, since it uses less digits than its factorization.

13778381084214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188812.

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 13778381084214 in words is "thirteen trillion, seven hundred seventy-eight billion, three hundred eighty-one million, eighty-four thousand, two hundred fourteen".