2113523055 has 24 divisors (see below), whose sum is σ = 4186789152. Its totient is φ = 966181824.

The previous prime is 2113523051. The next prime is 2113523099. The reversal of 2113523055 is 5503253112.

It is a happy number.

2113523055 is a `hidden beast` number, since 2 + 1 + 1 + 352 + 305 + 5 = 666.

It is not a de Polignac number, because 2113523055 - 2² = 2113523051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113523051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3354484 + ... + 3355113.

It is an arithmetic number, because the mean of its divisors is an integer number (174449548).

Almost surely, 2^2113523055 is an apocalyptic number.

2113523055 is a deficient number, since it is larger than the sum of its proper divisors (2073266097).

2113523055 is a wasteful number, since it uses less digits than its factorization.

2113523055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709615 (or 6709612 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2113523055 is about 45973.0688012014. The cubic root of 2113523055 is about 1283.3220702147.

Adding to 2113523055 its reverse (5503253112), we get a palindrome (7616776167).

The spelling of 2113523055 in words is "two billion, one hundred thirteen million, five hundred twenty-three thousand, fifty-five".