11130215252 has 12 divisors (see below), whose sum is σ = 20976174996. Its totient is φ = 5137022400.

The previous prime is 11130215207. The next prime is 11130215263. The reversal of 11130215252 is 25251203111.

It can be written as a sum of positive squares in 2 ways, for example, as 6279928516 + 4850286736 = 79246^2 + 69644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107021249 + ... + 107021352.

It is an arithmetic number, because the mean of its divisors is an integer number (1748014583).

Almost surely, 2^11130215252 is an apocalyptic number.

It is an amenable number.

11130215252 is a deficient number, since it is larger than the sum of its proper divisors (9845959744).

11130215252 is a wasteful number, since it uses less digits than its factorization.

11130215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214042618 (or 214042616 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11130215252 its reverse (25251203111), we get a palindrome (36381418363).

The spelling of 11130215252 in words is "eleven billion, one hundred thirty million, two hundred fifteen thousand, two hundred fifty-two".