11243115000 has 240 divisors, whose sum is σ = 40979538600. Its totient is φ = 2767392000.

The previous prime is 11243114977. The next prime is 11243115017. The reversal of 11243115000 is 51134211.

11243115000 is a `hidden beast` number, since 112 + 43 + 11 + 500 + 0 = 666.

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 59 ways as a sum of consecutive naturals, for example, 575391 + ... + 594609.

Almost surely, 2^11243115000 is an apocalyptic number.

11243115000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20489769300).

11243115000 is an abundant number, since it is smaller than the sum of its proper divisors (29736423600).

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

11243115000 is a wasteful number, since it uses less digits than its factorization.

11243115000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264 (or 19242 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11243115000 its reverse (51134211), we get a palindrome (11294249211).

The spelling of 11243115000 in words is "eleven billion, two hundred forty-three million, one hundred fifteen thousand".