2113540418657 has 8 divisors (see below), whose sum is σ = 2247715260000. Its totient is φ = 1981659164544.

The previous prime is 2113540418623. The next prime is 2113540418683. The reversal of 2113540418657 is 7568140453112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113540418657 - 2⁸ = 2113540418401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113540418057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573394907 + ... + 573398592.

It is an arithmetic number, because the mean of its divisors is an integer number (280964407500).

Almost surely, 2^{2113540418657} is an apocalyptic number.

It is an amenable number.

2113540418657 is a deficient number, since it is larger than the sum of its proper divisors (134174841343).

2113540418657 is a wasteful number, since it uses less digits than its factorization.

2113540418657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146793615.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 2113540418657 in words is "two trillion, one hundred thirteen billion, five hundred forty million, four hundred eighteen thousand, six hundred fifty-seven".