2011152252 has 24 divisors (see below), whose sum is σ = 4700004736. Its totient is φ = 669338928.

The previous prime is 2011152251. The next prime is 2011152277. The reversal of 2011152252 is 2522511102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011152251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122608 + ... + 138039.

Almost surely, 2^2011152252 is an apocalyptic number.

It is an amenable number.

2011152252 is an abundant number, since it is smaller than the sum of its proper divisors (2688852484).

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

2011152252 is a wasteful number, since it uses less digits than its factorization.

2011152252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261297 (or 261295 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2011152252 is about 44845.8721846281. The cubic root of 2011152252 is about 1262.2585367313.

Adding to 2011152252 its reverse (2522511102), we get a palindrome (4533663354).

The spelling of 2011152252 in words is "two billion, eleven million, one hundred fifty-two thousand, two hundred fifty-two".