2115030520 has 32 divisors (see below), whose sum is σ = 5038750800. Its totient is φ = 796246528.

The previous prime is 2115030509. The next prime is 2115030529. The reversal of 2115030520 is 250305112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115030529) 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 7 ways as a sum of consecutive naturals, for example, 1554490 + ... + 1555849.

Almost surely, 2^2115030520 is an apocalyptic number.

2115030520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115030520 is an abundant number, since it is smaller than the sum of its proper divisors (2923720280).

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

2115030520 is a wasteful number, since it uses less digits than its factorization.

2115030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110367 (or 3110363 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2115030520 is about 45989.4609666171. The cubic root of 2115030520 is about 1283.6271064497.

Adding to 2115030520 its reverse (250305112), we get a palindrome (2365335632).

The spelling of 2115030520 in words is "two billion, one hundred fifteen million, thirty thousand, five hundred twenty".