2113645615064 has 32 divisors (see below), whose sum is σ = 4189573206000. Its totient is φ = 996903539712.

The previous prime is 2113645615021. The next prime is 2113645615069. The reversal of 2113645615064 is 4605165463112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113645615069) 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, 29804849 + ... + 29875680.

Almost surely, 2^{2113645615064} is an apocalyptic number.

It is an amenable number.

2113645615064 is a deficient number, since it is larger than the sum of its proper divisors (2075927590936).

2113645615064 is a wasteful number, since it uses less digits than its factorization.

2113645615064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59680787 (or 59680783 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 2113645615064 in words is "two trillion, one hundred thirteen billion, six hundred forty-five million, six hundred fifteen thousand, sixty-four".