2113615361 has 16 divisors (see below), whose sum is σ = 2484424320. Its totient is φ = 1772737920.

The previous prime is 2113615331. The next prime is 2113615363. The reversal of 2113615361 is 1635163112.

It is a cyclic number.

It is not a de Polignac number, because 2113615361 - 2³⁰ = 1039873537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113615363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506861 + ... + 511013.

It is an arithmetic number, because the mean of its divisors is an integer number (155276520).

Almost surely, 2^2113615361 is an apocalyptic number.

It is an amenable number.

2113615361 is a deficient number, since it is larger than the sum of its proper divisors (370808959).

2113615361 is a wasteful number, since it uses less digits than its factorization.

2113615361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736.

The product of its digits is 3240, while the sum is 29.

The square root of 2113615361 is about 45974.0727040796. The cubic root of 2113615361 is about 1283.3407525442.

Adding to 2113615361 its reverse (1635163112), we get a palindrome (3748778473).

The spelling of 2113615361 in words is "two billion, one hundred thirteen million, six hundred fifteen thousand, three hundred sixty-one".