2115241524 has 144 divisors (see below), whose sum is σ = 6208151040. Its totient is φ = 600145920.

The previous prime is 2115241489. The next prime is 2115241553. The reversal of 2115241524 is 4251425112.

It is a happy number.

2115241524 is a `hidden beast` number, since 2 + 115 + 24 + 1 + 524 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1500532 + ... + 1501940.

It is an arithmetic number, because the mean of its divisors is an integer number (43112160).

Almost surely, 2^2115241524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115241524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104075520).

2115241524 is an abundant number, since it is smaller than the sum of its proper divisors (4092909516).

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

2115241524 is a wasteful number, since it uses less digits than its factorization.

2115241524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1665 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2115241524 is about 45991.7549567311. The cubic root of 2115241524 is about 1283.6697916411.

Adding to 2115241524 its reverse (4251425112), we get a palindrome (6366666636).

The spelling of 2115241524 in words is "two billion, one hundred fifteen million, two hundred forty-one thousand, five hundred twenty-four".