11144020252 has 12 divisors (see below), whose sum is σ = 19977695136. Its totient is φ = 5436107360.

The previous prime is 11144020207. The next prime is 11144020259. The reversal of 11144020252 is 25202044111.

It is a super-2 number, since 2×11144020252² (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 (11144020259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33975508 + ... + 33975835.

It is an arithmetic number, because the mean of its divisors is an integer number (1664807928).

Almost surely, 2^11144020252 is an apocalyptic number.

It is an amenable number.

11144020252 is a deficient number, since it is larger than the sum of its proper divisors (8833674884).

11144020252 is a wasteful number, since it uses less digits than its factorization.

11144020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67951388 (or 67951386 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 11144020252 its reverse (25202044111), we get a palindrome (36346064363).

The spelling of 11144020252 in words is "eleven billion, one hundred forty-four million, twenty thousand, two hundred fifty-two".