2113081380678 has 8 divisors (see below), whose sum is σ = 4226162761368. Its totient is φ = 704360460224.

The previous prime is 2113081380653. The next prime is 2113081380679. The reversal of 2113081380678 is 8760831803112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2113081380678 is an admirable number.

It is a super-2 number, since 2×2113081380678² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113081380679) 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, 176090115051 + ... + 176090115062.

It is an arithmetic number, because the mean of its divisors is an integer number (528270345171).

Almost surely, 2^{2113081380678} is an apocalyptic number.

2113081380678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2113081380678 is a wasteful number, since it uses less digits than its factorization.

2113081380678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352180230118.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 2113081380678 in words is "two trillion, one hundred thirteen billion, eighty-one million, three hundred eighty thousand, six hundred seventy-eight".