2115635652 has 192 divisors, whose sum is σ = 6309757440. Its totient is φ = 607260672.

The previous prime is 2115635651. The next prime is 2115635681. The reversal of 2115635652 is 2565365112.

2115635652 is a `hidden beast` number, since 2 + 1 + 15 + 635 + 6 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2115635651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3269593 + ... + 3270239.

It is an arithmetic number, because the mean of its divisors is an integer number (32863320).

Almost surely, 2^2115635652 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 2115635652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154878720).

2115635652 is an abundant number, since it is smaller than the sum of its proper divisors (4194121788).

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

2115635652 is a wasteful number, since it uses less digits than its factorization.

2115635652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 819 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2115635652 is about 45996.0395251591. The cubic root of 2115635652 is about 1283.7495144185.

The spelling of 2115635652 in words is "two billion, one hundred fifteen million, six hundred thirty-five thousand, six hundred fifty-two".