11240442001 has 8 divisors (see below), whose sum is σ = 11465973224. Its totient is φ = 11016241920.

The previous prime is 11240441951. The next prime is 11240442019. The reversal of 11240442001 is 10024404211.

It can be written as a sum of positive squares in 4 ways, for example, as 201601 + 11240240400 = 449^2 + 106020^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11240442001 - 2¹¹ = 11240439953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11240442001.

It is not an unprimeable number, because it can be changed into a prime (11240446001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315720 + ... + 349513.

It is an arithmetic number, because the mean of its divisors is an integer number (1433246653).

Almost surely, 2^11240442001 is an apocalyptic number.

It is an amenable number.

11240442001 is a deficient number, since it is larger than the sum of its proper divisors (225531223).

11240442001 is an equidigital number, since it uses as much as digits as its factorization.

11240442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665571.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11240442001 its reverse (10024404211), we get a palindrome (21264846212).

The spelling of 11240442001 in words is "eleven billion, two hundred forty million, four hundred forty-two thousand, one".