2113615126 has 16 divisors (see below), whose sum is σ = 3645040896. Its totient is φ = 900409896.

The previous prime is 2113615109. The next prime is 2113615139. The reversal of 2113615126 is 6215163112.

It is a junction number, because it is equal to n+sod(n) for n = 2113615094 and 2113615103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449676 + ... + 454351.

It is an arithmetic number, because the mean of its divisors is an integer number (227815056).

Almost surely, 2^2113615126 is an apocalyptic number.

2113615126 is a deficient number, since it is larger than the sum of its proper divisors (1531425770).

2113615126 is a wasteful number, since it uses less digits than its factorization.

2113615126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904203.

The product of its digits is 2160, while the sum is 28.

The square root of 2113615126 is about 45974.0701482912. The cubic root of 2113615126 is about 1283.3407049819.

Adding to 2113615126 its reverse (6215163112), we get a palindrome (8328778238).

The spelling of 2113615126 in words is "two billion, one hundred thirteen million, six hundred fifteen thousand, one hundred twenty-six".