11123210032 has 80 divisors (see below), whose sum is σ = 23832001440. Its totient is φ = 4987136000.

The previous prime is 11123210023. The next prime is 11123210053. The reversal of 11123210032 is 23001232111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11123209988 and 11123210015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10979958 + ... + 10980970.

It is an arithmetic number, because the mean of its divisors is an integer number (297900018).

Almost surely, 2^11123210032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123210032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11916000720).

11123210032 is an abundant number, since it is smaller than the sum of its proper divisors (12708791408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123210032 is a wasteful number, since it uses less digits than its factorization.

11123210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11123210032 its reverse (23001232111), we get a palindrome (34124442143).

The spelling of 11123210032 in words is "eleven billion, one hundred twenty-three million, two hundred ten thousand, thirty-two".