11051215252 has 96 divisors (see below), whose sum is σ = 26256384000. Its totient is φ = 3938336640.

The previous prime is 11051215207. The next prime is 11051215277. The reversal of 11051215252 is 25251215011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137149 + ... + 202267.

It is an arithmetic number, because the mean of its divisors is an integer number (273504000).

Almost surely, 2^11051215252 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 11051215252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13128192000).

11051215252 is an abundant number, since it is smaller than the sum of its proper divisors (15205168748).

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

11051215252 is a wasteful number, since it uses less digits than its factorization.

11051215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65189 (or 65187 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 11051215252 in words is "eleven billion, fifty-one million, two hundred fifteen thousand, two hundred fifty-two".