11240243001 has 24 divisors (see below), whose sum is σ = 17639576136. Its totient is φ = 6855851520.

The previous prime is 11240242997. The next prime is 11240243011. The reversal of 11240243001 is 10034204211.

It can be written as a sum of positive squares in 4 ways, for example, as 2601 + 11240240400 = 51^2 + 106020^2 .

It is not a de Polignac number, because 11240243001 - 2² = 11240242997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11240243011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411870 + ... + 438311.

It is an arithmetic number, because the mean of its divisors is an integer number (734982339).

Almost surely, 2^11240243001 is an apocalyptic number.

It is an amenable number.

11240243001 is a deficient number, since it is larger than the sum of its proper divisors (6399333135).

11240243001 is a wasteful number, since it uses less digits than its factorization.

11240243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850313 (or 850310 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11240243001 its reverse (10034204211), we get a palindrome (21274447212).

It can be divided in two parts, 112402 and 43001, that added together give a triangular number (155403 = T₅₅₇).

The spelling of 11240243001 in words is "eleven billion, two hundred forty million, two hundred forty-three thousand, one".