11203142320 has 20 divisors (see below), whose sum is σ = 26047306080. Its totient is φ = 4481256896.

The previous prime is 11203142287. The next prime is 11203142323. The reversal of 11203142320 is 2324130211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (11203142323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70019560 + ... + 70019719.

It is an arithmetic number, because the mean of its divisors is an integer number (1302365304).

Almost surely, 2^11203142320 is an apocalyptic number.

11203142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203142320 is an abundant number, since it is smaller than the sum of its proper divisors (14844163760).

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

11203142320 is a wasteful number, since it uses less digits than its factorization.

11203142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140039292 (or 140039286 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11203142320 its reverse (2324130211), we get a palindrome (13527272531).

The spelling of 11203142320 in words is "eleven billion, two hundred three million, one hundred forty-two thousand, three hundred twenty".