11243113400 has 24 divisors (see below), whose sum is σ = 26140239120. Its totient is φ = 4497245280.

The previous prime is 11243113397. The next prime is 11243113417. The reversal of 11243113400 is 431134211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28107584 + ... + 28107983.

It is an arithmetic number, because the mean of its divisors is an integer number (1089176630).

Almost surely, 2^11243113400 is an apocalyptic number.

11243113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243113400 is an abundant number, since it is smaller than the sum of its proper divisors (14897125720).

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

11243113400 is a wasteful number, since it uses less digits than its factorization.

11243113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56215583 (or 56215574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11243113400 its reverse (431134211), we get a palindrome (11674247611).

The spelling of 11243113400 in words is "eleven billion, two hundred forty-three million, one hundred thirteen thousand, four hundred".