2113859854456 has 16 divisors (see below), whose sum is σ = 4529699688240. Its totient is φ = 905939937600.

The previous prime is 2113859854417. The next prime is 2113859854481. The reversal of 2113859854456 is 6544589583112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2113859854394 and 2113859854403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18873748645 + ... + 18873748756.

It is an arithmetic number, because the mean of its divisors is an integer number (283106230515).

Almost surely, 2^{2113859854456} is an apocalyptic number.

It is an amenable number.

2113859854456 is an abundant number, since it is smaller than the sum of its proper divisors (2415839833784).

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

2113859854456 is a wasteful number, since it uses less digits than its factorization.

2113859854456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37747497414 (or 37747497410 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 61.

The spelling of 2113859854456 in words is "two trillion, one hundred thirteen billion, eight hundred fifty-nine million, eight hundred fifty-four thousand, four hundred fifty-six".