11155232436 has 24 divisors (see below), whose sum is σ = 26038724544. Its totient is φ = 3717003840.

The previous prime is 11155232401. The next prime is 11155232441. The reversal of 11155232436 is 63423255111.

It is a junction number, because it is equal to n+sod(n) for n = 11155232397 and 11155232406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142585 + ... + 206496.

It is an arithmetic number, because the mean of its divisors is an integer number (1084946856).

Almost surely, 2^11155232436 is an apocalyptic number.

It is an amenable number.

11155232436 is an abundant number, since it is smaller than the sum of its proper divisors (14883492108).

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

11155232436 is a wasteful number, since it uses less digits than its factorization.

11155232436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351751 (or 351749 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

Adding to 11155232436 its reverse (63423255111), we get a palindrome (74578487547).

The spelling of 11155232436 in words is "eleven billion, one hundred fifty-five million, two hundred thirty-two thousand, four hundred thirty-six".