11131202232 has 48 divisors (see below), whose sum is σ = 30485754000. Its totient is φ = 3668708736.

The previous prime is 11131202227. The next prime is 11131202339. The reversal of 11131202232 is 23220213111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862132 + ... + 874947.

It is an arithmetic number, because the mean of its divisors is an integer number (635119875).

Almost surely, 2^11131202232 is an apocalyptic number.

11131202232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11131202232 is an abundant number, since it is smaller than the sum of its proper divisors (19354551768).

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

11131202232 is a wasteful number, since it uses less digits than its factorization.

11131202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737180 (or 1737173 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11131202232 its reverse (23220213111), we get a palindrome (34351415343).

The spelling of 11131202232 in words is "eleven billion, one hundred thirty-one million, two hundred two thousand, two hundred thirty-two".