11002011003 has 16 divisors (see below), whose sum is σ = 16678330240. Its totient is φ = 7164099432.

The previous prime is 11002011001. The next prime is 11002011037. The reversal of 11002011003 is 30011020011.

It is not a de Polignac number, because 11002011003 - 2¹ = 11002011001 is a prime.

It is a super-2 number, since 2×11002011003² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4737001 + ... + 4739322.

It is an arithmetic number, because the mean of its divisors is an integer number (1042395640).

Almost surely, 2^11002011003 is an apocalyptic number.

11002011003 is a deficient number, since it is larger than the sum of its proper divisors (5676319237).

11002011003 is an equidigital number, since it uses as much as digits as its factorization.

11002011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476375 (or 9476369 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11002011003 its reverse (30011020011), we get a palindrome (41013031014).

The spelling of 11002011003 in words is "eleven billion, two million, eleven thousand, three".