11152312252 has 12 divisors (see below), whose sum is σ = 19640856760. Its totient is φ = 5540638896.

The previous prime is 11152312201. The next prime is 11152312253. The reversal of 11152312252 is 25221325111.

It is a happy number.

It is a super-2 number, since 2×11152312252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152312253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8878602 + ... + 8879857.

Almost surely, 2^11152312252 is an apocalyptic number.

It is an amenable number.

11152312252 is a deficient number, since it is larger than the sum of its proper divisors (8488544508).

11152312252 is a wasteful number, since it uses less digits than its factorization.

11152312252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758620 (or 17758618 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

Adding to 11152312252 its reverse (25221325111), we get a palindrome (36373637363).

The spelling of 11152312252 in words is "eleven billion, one hundred fifty-two million, three hundred twelve thousand, two hundred fifty-two".