11201323158 has 12 divisors (see below), whose sum is σ = 24269533548. Its totient is φ = 3733774380.

The previous prime is 11201323157. The next prime is 11201323187. The reversal of 11201323158 is 85132310211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201323157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311147848 + ... + 311147883.

It is an arithmetic number, because the mean of its divisors is an integer number (2022461129).

Almost surely, 2^11201323158 is an apocalyptic number.

11201323158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11201323158 is an abundant number, since it is smaller than the sum of its proper divisors (13068210390).

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

11201323158 is a wasteful number, since it uses less digits than its factorization.

11201323158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622295739 (or 622295736 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11201323158 its reverse (85132310211), we get a palindrome (96333633369).

The spelling of 11201323158 in words is "eleven billion, two hundred one million, three hundred twenty-three thousand, one hundred fifty-eight".