11013020131232 has 96 divisors (see below), whose sum is σ = 25535868285312. Its totient is φ = 4576627436544.

The previous prime is 11013020131229. The next prime is 11013020131279. The reversal of 11013020131232 is 23213102031011.

It is a happy number.

It is a super-2 number, since 2×11013020131232² (a number of 27 digits) contains 22 as substring.

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, 160823 + ... + 4695945.

It is an arithmetic number, because the mean of its divisors is an integer number (265998627972).

Almost surely, 2^{11013020131232} 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 11013020131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767934142656).

11013020131232 is an abundant number, since it is smaller than the sum of its proper divisors (14522848154080).

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

11013020131232 is a wasteful number, since it uses less digits than its factorization.

11013020131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535470 (or 4535462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11013020131232 its reverse (23213102031011), we get a palindrome (34226122162243).

The spelling of 11013020131232 in words is "eleven trillion, thirteen billion, twenty million, one hundred thirty-one thousand, two hundred thirty-two".