11000013003 has 32 divisors (see below), whose sum is σ = 18698641920. Its totient is φ = 6260652000.

The previous prime is 11000012951. The next prime is 11000013019. The reversal of 11000013003 is 30031000011.

It is not a de Polignac number, because 11000013003 - 2¹³ = 11000004811 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11000013043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68500 + ... + 163377.

It is an arithmetic number, because the mean of its divisors is an integer number (584332560).

Almost surely, 2^11000013003 is an apocalyptic number.

11000013003 is a deficient number, since it is larger than the sum of its proper divisors (7698628917).

11000013003 is a wasteful number, since it uses less digits than its factorization.

11000013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232144 (or 232138 counting only the distinct ones).

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

Adding to 11000013003 its reverse (30031000011), we get a palindrome (41031013014).

The spelling of 11000013003 in words is "eleven billion, thirteen thousand, three".