11213132311232 has 56 divisors (see below), whose sum is σ = 22503502597680. Its totient is φ = 5542972047360.

The previous prime is 11213132311231. The next prime is 11213132311261. The reversal of 11213132311232 is 23211323131211.

It is a super-2 number, since 2×11213132311232² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213132311231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55132607 + ... + 55335617.

Almost surely, 2^{11213132311232} 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 11213132311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11251751298840).

11213132311232 is an abundant number, since it is smaller than the sum of its proper divisors (11290370286448).

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

11213132311232 is an equidigital number, since it uses as much as digits as its factorization.

11213132311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212809 (or 212799 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 11213132311232 its reverse (23211323131211), we get a palindrome (34424455442443).

The spelling of 11213132311232 in words is "eleven trillion, two hundred thirteen billion, one hundred thirty-two million, three hundred eleven thousand, two hundred thirty-two".