2113144515 has 24 divisors (see below), whose sum is σ = 3700552128. Its totient is φ = 1115389440.

The previous prime is 2113144513. The next prime is 2113144541. The reversal of 2113144515 is 5154413112.

2113144515 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 144 + 515 = 666.

It is not a de Polignac number, because 2113144515 - 2¹ = 2113144513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113144513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237691 + ... + 246420.

It is an arithmetic number, because the mean of its divisors is an integer number (154189672).

Almost surely, 2^2113144515 is an apocalyptic number.

2113144515 is a deficient number, since it is larger than the sum of its proper divisors (1587407613).

2113144515 is a wasteful number, since it uses less digits than its factorization.

2113144515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484219 (or 484216 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 2113144515 is about 45968.9516412981. The cubic root of 2113144515 is about 1283.2454496892.

Adding to 2113144515 its reverse (5154413112), we get a palindrome (7267557627).

The spelling of 2113144515 in words is "two billion, one hundred thirteen million, one hundred forty-four thousand, five hundred fifteen".