11131132302 has 72 divisors (see below), whose sum is σ = 25265999304. Its totient is φ = 3541408992.

The previous prime is 11131132289. The next prime is 11131132303. The reversal of 11131132302 is 20323113111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131132303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5836033 + ... + 5837939.

It is an arithmetic number, because the mean of its divisors is an integer number (350916657).

Almost surely, 2^11131132302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11131132302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12632999652).

11131132302 is an abundant number, since it is smaller than the sum of its proper divisors (14134867002).

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

11131132302 is a wasteful number, since it uses less digits than its factorization.

11131132302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11131132302 its reverse (20323113111), we get a palindrome (31454245413).

The spelling of 11131132302 in words is "eleven billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred two".