11011012003 has 8 divisors (see below), whose sum is σ = 11310172560. Its totient is φ = 10711933920.

The previous prime is 11011011989. The next prime is 11011012007. The reversal of 11011012003 is 30021011011.

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 11011012003 - 2⁹ = 11011011491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011012007) 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, 329688 + ... + 361546.

It is an arithmetic number, because the mean of its divisors is an integer number (1413771570).

Almost surely, 2^11011012003 is an apocalyptic number.

11011012003 is a deficient number, since it is larger than the sum of its proper divisors (299160557).

11011012003 is an equidigital number, since it uses as much as digits as its factorization.

11011012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41237.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11011012003 its reverse (30021011011), we get a palindrome (41032023014).

The spelling of 11011012003 in words is "eleven billion, eleven million, twelve thousand, three".