2115113827 has 4 divisors (see below), whose sum is σ = 2126073160. Its totient is φ = 2104154496.

The previous prime is 2115113797. The next prime is 2115113857. The reversal of 2115113827 is 7283115112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2115113797) and next prime (2115113857).

It is a cyclic number.

It is not a de Polignac number, because 2115113827 - 2¹⁹ = 2114589539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115113857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5479377 + ... + 5479762.

It is an arithmetic number, because the mean of its divisors is an integer number (531518290).

Almost surely, 2^2115113827 is an apocalyptic number.

2115113827 is a deficient number, since it is larger than the sum of its proper divisors (10959333).

2115113827 is a wasteful number, since it uses less digits than its factorization.

2115113827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959332.

The product of its digits is 3360, while the sum is 31.

The square root of 2115113827 is about 45990.3666760768. The cubic root of 2115113827 is about 1283.6439594326.

Adding to 2115113827 its reverse (7283115112), we get a palindrome (9398228939).

The spelling of 2115113827 in words is "two billion, one hundred fifteen million, one hundred thirteen thousand, eight hundred twenty-seven".