11003331001 has 8 divisors (see below), whose sum is σ = 11868893120. Its totient is φ = 10140504912.

The previous prime is 11003330969. The next prime is 11003331011. The reversal of 11003331001 is 10013330011.

It is a happy number.

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 11003331001 - 2⁵ = 11003330969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003331011) 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, 675645 + ... + 691738.

It is an arithmetic number, because the mean of its divisors is an integer number (1483611640).

Almost surely, 2^11003331001 is an apocalyptic number.

It is an amenable number.

11003331001 is a deficient number, since it is larger than the sum of its proper divisors (865562119).

11003331001 is a wasteful number, since it uses less digits than its factorization.

11003331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368015.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 11003331001 its reverse (10013330011), we get a palindrome (21016661012).

The spelling of 11003331001 in words is "eleven billion, three million, three hundred thirty-one thousand, one".