11223136532 has 12 divisors (see below), whose sum is σ = 20317747380. Its totient is φ = 5418065856.

The previous prime is 11223136531. The next prime is 11223136537. The reversal of 11223136532 is 23563132211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2341204996 + 8881931536 = 48386^2 + 94244^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 11223136495 and 11223136504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223136531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48375473 + ... + 48375704.

It is an arithmetic number, because the mean of its divisors is an integer number (1693145615).

Almost surely, 2^11223136532 is an apocalyptic number.

It is an amenable number.

11223136532 is a deficient number, since it is larger than the sum of its proper divisors (9094610848).

11223136532 is a wasteful number, since it uses less digits than its factorization.

11223136532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96751210 (or 96751208 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

Adding to 11223136532 its reverse (23563132211), we get a palindrome (34786268743).

The spelling of 11223136532 in words is "eleven billion, two hundred twenty-three million, one hundred thirty-six thousand, five hundred thirty-two".