2113145617 has 8 divisors (see below), whose sum is σ = 2361475872. Its totient is φ = 1874186400.

The previous prime is 2113145549. The next prime is 2113145627. The reversal of 2113145617 is 7165413112.

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 2113145617 - 2¹¹ = 2113143569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113145627) 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, 2342283 + ... + 2343184.

It is an arithmetic number, because the mean of its divisors is an integer number (295184484).

Almost surely, 2^2113145617 is an apocalyptic number.

It is an amenable number.

2113145617 is a deficient number, since it is larger than the sum of its proper divisors (248330255).

2113145617 is a wasteful number, since it uses less digits than its factorization.

2113145617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685519.

The product of its digits is 5040, while the sum is 31.

The square root of 2113145617 is about 45968.9636276477. The cubic root of 2113145617 is about 1283.2456727590.

Adding to 2113145617 its reverse (7165413112), we get a palindrome (9278558729).

The spelling of 2113145617 in words is "two billion, one hundred thirteen million, one hundred forty-five thousand, six hundred seventeen".