11000012003 has 8 divisors (see below), whose sum is σ = 11083880640. Its totient is φ = 10916211240.

The previous prime is 11000011973. The next prime is 11000012017. The reversal of 11000012003 is 30021000011.

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 11000012003 - 2¹⁰ = 11000010979 is a prime.

It is a super-2 number, since 2×11000012003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000012063) 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, 336176 + ... + 367442.

It is an arithmetic number, because the mean of its divisors is an integer number (1385485080).

Almost surely, 2^11000012003 is an apocalyptic number.

11000012003 is a deficient number, since it is larger than the sum of its proper divisors (83868637).

11000012003 is a wasteful number, since it uses less digits than its factorization.

11000012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33937.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 11000012003 its reverse (30021000011), we get a palindrome (41021012014).

The spelling of 11000012003 in words is "eleven billion, twelve thousand, three".