11123225252 has 24 divisors (see below), whose sum is σ = 20493564000. Its totient is φ = 5268018816.

The previous prime is 11123225237. The next prime is 11123225261. The reversal of 11123225252 is 25252232111.

It is a happy number.

It is a super-2 number, since 2×11123225252² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808124 + ... + 821772.

It is an arithmetic number, because the mean of its divisors is an integer number (853898500).

Almost surely, 2^11123225252 is an apocalyptic number.

It is an amenable number.

11123225252 is a deficient number, since it is larger than the sum of its proper divisors (9370338748).

11123225252 is a wasteful number, since it uses less digits than its factorization.

11123225252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24395 (or 24393 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

Adding to 11123225252 its reverse (25252232111), we get a palindrome (36375457363).

The spelling of 11123225252 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-five thousand, two hundred fifty-two".