2113859854457 has 64 divisors (see below), whose sum is σ = 2509489382400. Its totient is φ = 1762512998400.

The previous prime is 2113859854417. The next prime is 2113859854481. The reversal of 2113859854457 is 7544589583112.

It is not a de Polignac number, because 2113859854457 - 2¹⁴ = 2113859838073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113859854457.

It is not an unprimeable number, because it can be changed into a prime (2113859854417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1084585919 + ... + 1084587867.

It is an arithmetic number, because the mean of its divisors is an integer number (39210771600).

Almost surely, 2^{2113859854457} is an apocalyptic number.

It is an amenable number.

2113859854457 is a deficient number, since it is larger than the sum of its proper divisors (395629527943).

2113859854457 is a wasteful number, since it uses less digits than its factorization.

2113859854457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its digits is 48384000, while the sum is 62.

The spelling of 2113859854457 in words is "two trillion, one hundred thirteen billion, eight hundred fifty-nine million, eight hundred fifty-four thousand, four hundred fifty-seven".