2115074520 has 96 divisors (see below), whose sum is σ = 7402777200. Its totient is φ = 520632576.

The previous prime is 2115074491. The next prime is 2115074527. The reversal of 2115074520 is 254705112.

2115074520 is a `hidden beast` number, since 21 + 1 + 50 + 74 + 520 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115074527) 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, 221290 + ... + 230649.

Almost surely, 2^2115074520 is an apocalyptic number.

2115074520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115074520 is an abundant number, since it is smaller than the sum of its proper divisors (5287702680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115074520 is a wasteful number, since it uses less digits than its factorization.

2115074520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451969 (or 451962 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2115074520 is about 45989.9393345980. The cubic root of 2115074520 is about 1283.6360076926.

Adding to 2115074520 its reverse (254705112), we get a palindrome (2369779632).

The spelling of 2115074520 in words is "two billion, one hundred fifteen million, seventy-four thousand, five hundred twenty".