11232021648 has 80 divisors (see below), whose sum is σ = 30051219456. Its totient is φ = 3612685440.

The previous prime is 11232021643. The next prime is 11232021667. The reversal of 11232021648 is 84612023211.

It is a super-2 number, since 2×11232021648² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11232021643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125115 + ... + 195237.

Almost surely, 2^11232021648 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 11232021648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15025609728).

11232021648 is an abundant number, since it is smaller than the sum of its proper divisors (18819197808).

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

11232021648 is a wasteful number, since it uses less digits than its factorization.

11232021648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70252 (or 70246 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 11232021648 its reverse (84612023211), we get a palindrome (95844044859).

The spelling of 11232021648 in words is "eleven billion, two hundred thirty-two million, twenty-one thousand, six hundred forty-eight".