11273240000 has 140 divisors (see below), whose sum is σ = 30496431768. Its totient is φ = 4099200000.

The previous prime is 11273239969. The next prime is 11273240003. The reversal of 11273240000 is 4237211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 427190 + ... + 452810.

Almost surely, 2^11273240000 is an apocalyptic number.

11273240000 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 11273240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15248215884).

11273240000 is an abundant number, since it is smaller than the sum of its proper divisors (19223191768).

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

11273240000 is an equidigital number, since it uses as much as digits as its factorization.

11273240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25664 (or 25639 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 11273240000 its reverse (4237211), we get a palindrome (11277477211).

The spelling of 11273240000 in words is "eleven billion, two hundred seventy-three million, two hundred forty thousand".